would the change in volume (liquid) of your reaction be more obvious if you forgot to add primers to your pcr, or if you forgot to add template dna to your pcr? why?
Answers
The change in volume (liquid) of your reaction would be obvious if you forgot to add primers to your PCR, or if you forgot to add template DNA to your PCR because primers are more plentiful than DNA and the reaction effects.
Amplification that is nonspecific and mispriming is frequently caused by higher primer concentrations. On the other hand, low levels of primers may lead to little or no amplification of the desired target. For a PCR reaction to work, primers are absolutely necessary. Before they can start replicating DNA, the heat-resistant DNA polymerases require the RNA primers to anneal.
Without primers, the DNA polymerase is unable to work, and as a result, no product will be produced. Only denaturation and hybridization occur in the absence of the polymerase.
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Related Questions
Which substance is considered a building block for all living things? A.hydrogen B.glucose C. carbon D.protein 
Answers
Answer:
The answer is carbon. It is considered a building block for all living beings
the chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta is called:
Answers
The chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta is called the left ventricle.
The left ventricle is one of the four chambers of the heart and is responsible for pumping oxygen-rich blood to the rest of the body. It is located in the lower left portion of the heart and is the largest and strongest of the heart's chambers. The left ventricle receives oxygenated blood from the left atrium, which then contracts to force the blood out of the heart through the aortic valve and into the aorta, the body's largest artery.
The force generated by the contraction of the left ventricle is what produces the blood pressure that is measured by a blood pressure cuff. Because the left ventricle is responsible for pumping blood to the rest of the body, it requires a significant amount of oxygen and nutrients to function properly. A blockage in one of the coronary arteries that supply blood to the heart muscle can cause damage to the left ventricle, leading to a heart attack or heart failure.
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What are some ways that plants can defend themselves? Give at least two examples and explain how it is a defense system.
Answers
The first physical barrier to herbivores feeding on plants is made up of leaf surface wax, thorns and trichomes, cell wall thickness, and lignification. The second barrier is made up of secondary metabolites that function as poisons.
Which two methods do plants use to protect themselves?The first line of defence against infections is the outermost part of a plant, which is comparable to human skin and is additionally referred to as the epidermis. In some plant parts, such as the bark of a tree or the waxy cuticle on leaves, extra layers protect the epidermis itself. Moreover, plants produce substances that are poisonous to insects or pathogens.
How do plants protect themselves?Many flowers have a coating of fine hairs covering the surface on their leaves to deter small predators. Some plants have harsh spines or thorns, whereas others produce leaves which sting or have a sour taste to repel larger animals.
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Which of the following BEST describes the individual represented by the karyotype?
A. male with Turner's syndrome
B. normal female
C.female with Down syndrome
D. Female with Edward's syndrome
Answers
Answer:
B
Explanation:
I looked it up
Which substance is coded by a length of dna
Answers
Answer: a specific protein
Explanation:
finish it
The feeling of the cold crisp Autumn air gave a feeling of comfort and purity. As the orange leaves of fall landed gracefully upon the floor, I knew what I had to do now..my time has come. I hoisted myself onto my steed, Riptide and rode into the night. the purpose of my mission kept my head high and my determination close to my chest. A few hours passed and we were finally at our destination. I tied Riptide to a fence post and walked up to the front door of a small cottage. Before I could knock on the door, the door creaked open and a small child that looked to be at the age of 8 stood before me. “Who are you?” she asked with a feeling of fear and untrust. I kneeled down and answered," A girl with a deal in mind and the loot to act upon it she wanted my horse to get passed by and her horse was her only way to travel, so i couldn't give up riptide. The girl had one other option is to find her missing ring all the way in Florida and at the time im all the way in new York i was doomed but the i remember the path i made with riptide long ago the route was from new York to Pennsylvania to west Virginia to north Carolina to south Carolina to Georgia finally to Florida finish this
Answers
Answer:
Grammar check and idea
Explanation:
”A girl (or woman) with a deal in mind and the loot to act upon it”. She wanted my horse but I could never give up Riptide. She offered to trade hers with mine but i refused, Riptide was too special to me.. to-. before I could finish my thought the girl started wailing like something a nomad like me has never heard before.She screamed of her lost ring in Florida that her late father had given her. However, we were in New York not Florida. I then remembered the path me and Riptide had taken and offered her to ride with me to find it since I needed to go there anyways to deliver medicine.
She enthusiasticly agreed and climbed onto my horse. I then hoiseted myself up once more and rode into the forest, just like i did when i was younger with a mission and a reward in mind…to see the gleaming faces of children again.
revise the whole narrative if you don’t wanna get a plagiarism check.
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Which of the following is NOT a method for living more sustainably on Earth?a) Repair products when it breaks or gets worn out. Many brand name companies including clothing and electronic stores offer repair services for you nowb) Reuse with refillable glass or stainless stell water bottles and by shopping with cloth bags at grocery and retail stores including malls.c) Refuse to use single-use products such as plastic grocery bags and takeout utensils including straws and condiments for ketchup and soy sauce.d) Recycle by using plastic shopping bags to dispose paper/plastics/bags/metals into blue bins and composting organic waste into green bins.e) Reduce by shopping only in-store (online shipping orders have escess packaging) and buying only essential costumer products (not the latest fashion in clothing or the newest model in electronics) or think about renting seasonal items rather than buying it.
Answers
Sustainability is about maintaining the ecosystem diverse and productive, even attending the needs of production for humanity as well.
In order to do so, it's important to be careful about the disposal of any types of trash. So, avoiding to dispose of trash unnecessarily is really important, therefore A is correct. It is also important to avoid creating unnecessary trash, what happens when we chose to consume only water from plastic bottles, for example, instead of using reusable bottles. This means that B is also correct. Talking about not creating unnecessary trash, C is also correct, because it talks about avoiding single-use products. Also, avoiding the creation of unnecessary trash is related to E, because it's about avoiding excess packaging and/or avoid buying unnecessary items, reusing the same ones instead. Therefore, alternative D is incorrect, because while it talks about recycling it also incites the usage of plastic bags to dispose trash, which could be replaced by paper bags, for example.
population of bacteria is growing according to the equation P(t)=1000e0.12t, where P(t) is the population and t is the time in hours. Estimate when the population will reach 5000 . Round to the tenths. Provide your answer below:
Answers
The estimated time it will take for the population to reach 5000 bacteria is approximately 13.4 hours.
To estimate when the population will reach 5000 bacteria, we can set up the equation P(t) = 5000 and solve for t.
The given equation for population growth is P(t) = 1000e^(0.12t). To solve for t, we can substitute 5000 for P(t):
5000 = 1000e^(0.12t)
To isolate the exponential term, we can divide both sides of the equation by 1000:
5 = e^(0.12t)
Next, we can take the natural logarithm (ln) of both sides to remove the exponential:
ln(5) = ln(e^(0.12t))
Using the property of logarithms, ln(e^(0.12t)) simplifies to 0.12t:
ln(5) = 0.12t
Now, we can solve for t by dividing both sides by 0.12:
t = ln(5) / 0.12
Using a calculator, we find that ln(5) is approximately 1.6094. Dividing this by 0.12 gives us an approximate value for t:
t ≈ 1.6094 / 0.12 ≈ 13.4117
Rounding to the tenths place, the estimated time it will take for the population to reach 5000 bacteria is approximately 13.4 hours.
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what are the parts of the male structure of a flower?
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The parts of the male structure of flower have three parts stamen ,sepals and petals. Flowers are two types male flower and female flower . Two categories of flowers differ by bisexual (male flower + female flower) and asexual (male flower/female flower).
Male flower reproductive part is called stamen. Stamen having two parts anthor lobe (which is in the shape oval at the top) and filament (which supports anthor lobe having shape thin cylinder shape). Anther lobe having two pollen which is filled with pollen grains. Sepals are outer part of the flower which supports the flower and petals are protect reproductive parts of flower which is spectacular color.
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The plant hormone that triggers the withering of petals and stamens and promotes fruit ripening is
A. abscisic acid.
B. cytokinin.
C. gibberellin.
D. auxin.
E. ethylene.
Answers
The plant hormone that triggers the withering of petals and stamens while promoting fruit ripening is ethylene.
Correct option is E.
Abscisic acid is a plant hormone primarily involved in controlling processes such as seed dormancy, leaf abscission, and inhibition of cell division. It is produced in growing leaves and buds and is also found in fruits and seeds, where it performs a ripening and ripening-related functions. When abscisic acid accumulates in the reproductive organs, it causes the petals and stamens to wither and fall off.
It also triggers the ripening of fruits and vegetables by activating specific enzymes in the cells. Abscisic acid is also involved in other important processes like controlling leaf water stress through the stomatal closure and promoting bud dormancy. It primarily works in opposition to auxin, a plant hormone that stimulates fruits and leaf abscission.
Correct option is E.
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1.) There is a lot of carbon dioxide in the atmosphere, what is the process by which plants remove it from
the atmosphere?
2) Plants turn the carbon dioxide into glucose, this type of compound sores energy and is called what?
(Begins with C. on diet).
3) The plants use this store of energy to make two other essential compounds it needs, (begin with F and P).
4) How does the carbon get passed onto animals?
5) Name the process by which living organisms release carbon dioxide back into the atmosphere?
6) Name three different types of organism that do this.
7) Some of the plants and animals that died millions of years ago became buried and store their carbon
under the ground, what did they turn into?
8) What happens when this is burnt (this is called combustion)?
9) Identify three ways carbon dioxide enters the atmosphere.
10) Identify how carbon dioxide is removed from the atmosphere.
Answers
2) carbohydrate?
3) fats and protein
4) through food chains
5) cellular respiration
6) bacteria, plants, animals
7) fossils
8) combustion
9) burning fossil fuels, certain chemical reactions, when organisms die
10) plants can use photosynthesis to remove carbon dioxide from the air naturally
There is a lot of carbon dioxide in the atmosphere, Photosynthesis is the process by which plants remove it from the atmosphere.
What do you mean by photosynthesis?Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
The main purpose of photosynthesis is to convert radiant energy from the sun into chemical energy that can be used for food. Cellular respiration is the process that occurs in the mitochondria of organisms to break down sugar in the presence of oxygen to release energy in the form of ATP.
Photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, glucose molecules (or other sugars) are constructed from water and carbon dioxide, and oxygen is released as a byproduct.
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Paying to plant trees because you use carbon in your daily life would be an example of...A. carbon reductionB. cap and tradeC. carbon offsetsD. carbon production (ambiguous)E. going carbon neutral
Answers
The correct answer is: C. Carbon offsets
Paying to plant trees because you use carbon in your daily life would be an example of carbon offset. Carbon offsets allow individuals or companies to compensate for their carbon emissions by investing in projects that reduce or remove carbon from the atmosphere, such as reforestation efforts.
By planting trees, carbon is absorbed from the atmosphere through the process of photosynthesis, helping to offset the carbon emissions produced by human activities. This is an example of a strategy that can be used to reduce carbon emissions and move towards a more sustainable future.
When you pay to plant trees because you use carbon in your daily life, you are engaging in carbon offsets. This means that you are attempting to balance out your carbon emissions by supporting projects, such as tree planting, that remove or reduce carbon dioxide from the atmosphere. Planting trees helps to absorb carbon dioxide, which contributes to mitigating the effects of climate change. By investing in carbon offsets, you are taking a step towards reducing your overall carbon footprint and promoting sustainability.
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Examine the DNA sequence in the image.
One DNA strand with two repeats of the code AATC is highlighted.
© 2014 NHS National Genetics and Genomics Education Centre
Creative Commons, by Attribution 2.0 Generic
Which of the following analysis tools is represented by the DNA sequence in the image?
DNA cloning
STR analysis
SNP profiling
Electrophoresis
Answers
In the image, the form of DNA sequence that is highlighted therein is C. SNP profiling.
What is SNP profiling?SNP profiling is a way of categorizing the genetic variations of a single nucleotide. In the diagram, we can see a DNA strand and the nucleotides that make it up.
Also, we can see how these nucleotides are categorized by their genetic variations. So, the term that represents the image in the figure is SNP profiling.
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The structure labeled "A" open and close the sites where the gases, carbon dioxide and oxygen, are exchanged during photosynthesis. What is the structure labeled A?
Answers
The structure A in the question seems missing but the given answer is based on the description given in the question.
Answer:
The gaseous exchange of carbon dioxide(CO2) and oxygen(O2) occurs through small, regulated openings called stomata during photosynthesis.
Therefore the Structure A is Stomata
How are P and S waves categorized?
Help Me Please
Answers
Explanation:
number 3 p waves are longitudinal waves and s waves are transverse waves
amino acids can undergo dehydration synthesis reaction to form larger molecules called
Answers
Answer:
Dehydration Synthesis
The monomers combine with each other via covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.
Amino acids can undergo dehydration synthesis reaction to form larger molecules called as Polymers.
What is dehydration synthesis?Dehydration synthesis is a sort of chemical process in which, after the loss of water, two smaller molecules are combined to create a larger molecule. Condensation or dehydration reactions are other names for dehydration synthesis. Water is produced during dehydration synthesis as one of the principal byproducts of the reaction. When the proton (H) of one molecule bonds with the hydroxyl group (OH) of another molecule, water is created. A new covalent bond is created between the two molecules to produce a bigger complex when water is produced during the reaction and then evaporates.To know more about the dehydration synthesis, refer :
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The structural units of mature compact bone are called:canaliculi.osteons.osteocytes.lacunae.
Answers
The structural units of mature compact bone are called osteons.
Bone is a type of connective tissue that consists of cells, fibers, and minerals, which provide support and structure to the body. Osteocytes , canaliculi , lacunae and osteons are the four major components of the bone tissue.
Osteocytes, canaliculi, and lacunae are the three primary components of bone tissue. Osteons , also known as Haversian systems are structural units of mature compact bones. Each osteon is cylindrical and made up of concentric layers of bone tissue that surround a central canal known as the Haversian canal. These concentric layers of bone tissue are referred to as lamellae and are separated by thin layers of bone tissue called interstitial lamellae. The osteocytes , which are mature bone cells are located in small spaces between the concentric layers of bone tissue known as lacunae , which are connected to each other by small channels called canaliculi . Thus, osteocytes can be used to regulate bone remodeling and repair.
The structure of mature compact bone is lamellar or layered. The blood supply for the osteocytes is provided by an intricate network of interconnected vascular canals known as the haversian systems, which penetrate the bone. Compact bone that is still developing lacks osteons and has a braided texture. In a remodelling process of bone resorption and new bone creation that produces the osteons , it develops around a framework of collagen fibres and is finally replaced by mature bone.
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The structural units of mature compact bone are called osteons. Osteons are cylindrical structures consisting of concentric layers of compact matrix surrounding a central canal. They contain living osteocytes connected by canaliculi and help the bone resist bending or fracturing.
Explanation:The structural units of mature compact bone are called osteons. Osteons are cylindrical structures that contain a mineral matrix and living osteocytes connected by canaliculi. Each osteon consists of concentric layers of compact matrix called lamellae, surrounding a central canal called the Haversian canal. The Haversian canal contains the bone's blood vessels and nerve fibers. Osteons in compact bone tissue help the bone resist bending or fracturing.
Osteons in compact bone tissue represent a masterful architectural adaptation in the human skeletal system. Their cylindrical structure and concentric lamellae create a robust framework, akin to the rings of a tree, conferring remarkable strength and resilience to the bone. Moreover, the presence of Haversian canals at their core, housing vital blood vessels and nerve fibers, ensures that the bone remains well-nourished and responsive to physiological needs. As a result, the structural integrity and functional versatility of compact bone are safeguarded, enabling it to withstand the rigors of everyday activities and protect the body's vital organs and tissues.
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A cell plate is forming across the middle of a cell and new nuclei are forming at the poles. What kind of cell is this
Answers
Answer:
Answer:It is a plant cell.
Which human traits form a wide range of states instead of two distinct states?
A) widow’s peak
B) eye color
C) fully attached earlobes
D) cleft chin
Answers
Answer: A and C
Explanation:
The human eye color is a trait that forms a wide range of states instead of two distinct states. Fully attached earlobes is a recessive trait that is seen in very rare cases.
A sci scientist is measuring how quickly different liquids flow down a ramp she notices that water flows more easily than dish soap which property of water is the scientist observing? A. Viscosity
B. Compression C. Surface tension D.crystalline structure
Answers
Answer:
They are actually observing "viscosity" of liquid
Explanation:
If we have a vegetarian person who needs 2,000 calories a day, how many calories must the plants they eat produce?
Select one:
2,200 calories
200,000 calories
2,000 calories
20,000 calories
Answers
Answer:
as a vegetarian im confused, wouldnt it be 2,000
Explanation:
Which component is missing from the process of cellular respiration?
+ Oxygen → Carbon Dioxide + Water + Energy
Sunlight
Sugar
Oxygen
Carbon
Answers
Answer:
Sugar
Explanation:
Answer:
Glucose
Explanation:
Its B because glucose is a type of sugar
Introduction to punnett squares and alleles worksheet
Answers
A Punnett square is a diagram that is utilized to calculate the likelihood of an offspring inheriting a specific trait from its parents. This diagram is commonly used in the study of genetics and is named after its creator, Reginald Punnett.
Punnett squares utilize alleles, which are variations of a particular gene that can produce differing traits. Alleles are usually represented as letters, with uppercase letters representing dominant alleles and lowercase letters representing recessive alleles.
The Punnett square is made up of two axes, with the father’s alleles listed along the top and the mother’s alleles listed along the side. The possible combinations of these alleles are then shown within the squares of the grid. For example, if a father has an A allele and a mother has a B allele, their offspring could inherit an AB allele, an AA allele, a BB allele, or a BA allele.
Punnett squares are used to study a variety of genetic traits, such as blood type, eye color, and height, and can provide useful information about inheritance patterns.
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Which of the choices is/are secretions produced by the pancreas? Select all that apply.- bicarbonate ions to neutralize stomach acid- lipase for fat digestion- trypsin for further protein digestionSecretin stimulates the pancreas to secrete bicarbonate ions to neutralize stomach pH. The pancreas secretes lipase and gastric amylase to break down fats and carbohydrates respectively. The pancreas secretes trypsin in an inactive form known as trypsinogen to break down proteins but avoid digesting itself.
Answers
The correct option is B; Secretin stimulates the pancreas to secrete bicarbonate ions to neutralize stomach pH.
The major hormones released by the pancreatic endocrine gland are insulin and glucagon, which control blood glucose levels, and somatostatin, which inhibits insulin and glucagon production.
The pancreatic tissues (acinar cells) create a clear digesting fluid containing bicarbonate and enzymes. Bicarbonate is an alkaline substance that aids digestion by neutralising stomach acid as it goes into the duodenum. Amylase breaks down carbs, lipase breaks down fats, and trypsin breaks down proteins. The pancreas also secretes huge amounts of sodium bicarbonate, which protects the duodenum by neutralizing stomach acid.
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Is 3600 calories too much for a 73 pound 4 foot 5 13 year old to gain muscle
Answers
Answer:
Yes
Explanation:
Most active males are encouraged to eat around 2800-3000 calories per day. 3600 for a 4'5" 13 year old is far too much for someone who is so young and so small.
Which of the following are mutations* that would allow a phage to grow on a host of E. coli containing the EcoR1 restriction enzyme *if it occured in a phage that was prevented from growing on an E. coli host through because of EcoR1 cleavage Question 6 options: 3' CTTAAG 5' -> 5' GAATTC 3' 3' CCCGGG 5' -> 3' CCCTGG 5' 3' CTTAAG 5' -> 5' GAACTC 3' 3' CTTAAG 5' -> 3' CTAAAG 5'
Answers
The mutation that would allow a phage to grow on an E. coli host containing the EcoR1 restriction enzyme would be the second option: 3' CCCGGG 5' -> 3' CCCTGG 5'.
This mutation changes a single nucleotide and would alter the amino acid sequence of the phage's enzyme, allowing it to cleave the EcoR1 restriction site. This would prevent the host cell from cleaving the phage's DNA and allow for successful infection and replication.
Mutations play a crucial role in evolution and adaptation, allowing organisms to develop new traits and survive in changing environments. Enzymes are essential for many biological processes, including DNA replication, transcription, and translation.
They catalyze chemical reactions and allow for the efficient processing of biological molecules.
Option 3: 3' CTTAAG 5' -> 5' GAACTC 3'
Which of the following are mutations* that would allow a phage to grow on a host of E. coli containing the EcoR1 restriction enzyme *if it occured in a phage that was prevented from growing on an E. coli host through because of EcoR1 cleavage Question 6 options: 3' CTTAAG 5' -> 5' GAATTC 3' 3' CCCGGG 5' -> 3' CCCTGG 5' 3' CTTAAG 5' -> 5' GAACTC 3' 3' CTTAAG 5' -> 3' CTAAAG 5'
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What is meant by the electrical structure of the heart?
Answers
Answer:
In the simplest terms, the heart is a pump made up of muscle tissue. Like all muscle, the heart needs a source of energy and oxygen to function. The heart's pumping action is regulated by an electrical conduction system that coordinates the contraction of the various chambers of the heart.
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Question 13 The most abundant photoreceptors that detect dim light are Cones.
A True
B False
Question 14 Muscular tissue that adjusts the shape of the pupil to regulate how much light enters the eye is IRIS.
A True
B False Question
15 Opsins are visual pigments derived from Vitamin D.
A True
B False
Answers
Answer:
Question 13:
B. False
The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.
Question 14:
A. True
The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.
Question 15:
B. False
Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.
Explanation:
sensory receptors in your vestibular sacs enable you to maintain your sense of
Answers
The sensory receptors in the vestibular sacs enable us to maintain our sense of equilibrium by detecting the movement of fluid within them and transmitting this information to the brain. This helps us to stay upright, maintain balance, and navigate through our environment.
Sensory receptors in your vestibular sacs enable you to maintain your sense of equilibrium. The vestibular sacs are situated in the inner ear and are a vital component of the vestibular system that is responsible for maintaining balance and spatial orientation. These small, fluid-filled sacs contain tiny hair cells that are sensitive to the movement of the fluid as we move around.
The vestibular sacs consist of two small pouches, the utricle and saccule. The utricle is located horizontally, and the saccule is oriented vertically. They work together with the semicircular canals to provide sensory information to the brain that is necessary to maintain our balance and spatial orientation.
When we move our head, the fluid inside the vestibular sacs moves in response to the movement, causing the tiny hair cells to bend. This bending of hair cells generates electrical impulses that are transmitted to the brain via the vestibular nerve. The brain uses this information to determine the orientation of the body and the direction of movement.
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Meiosis cell division replicates a cell's DNA ___ then divides ____. None of the answer choices are correct once, twice twice, once twice; twice once; once
Answers
Meiosis cell division replicates a cell's DNA once then divides twice.
Meiosis is a method of cell division of germ cells that produces gametes including such sperm or egg cells in organisms that reproduce sexually. It consists of two rounds of segment that yield four cells with only each copy of the each chromosome.
Mitosis is a type of cell division that occurs in somatic cells as well as in the asexual reproduction of unicellular eukaryotic cells. Meiosis is a type of cell division used in sexual reproduction to produce gametes. Meiosis is critical because it ensures that almost all organisms produced by sexual reproduction have the complete set of chromosomes. Meiosis also generates genetic variation through the recombination process.
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