Answer:
Despite continuous advances in the medical world, obesity continues to remain a major worldwide health hazard with adult mortality as high as 2.8 million per year. The majority of chronic diseases like diabetes, hypertension, and heart disease are largely related to obesity which is usually a product of unhealthy lifestyle and poor dietary habits. Appropriately tailored diet regimens for weight reduction can help manage the obesity epidemic to some extent. One diet regimen that has proven to be very effective for rapid weight loss is a very-low-carbohydrate and high-fat ketogenic diet
What happens when human DNA is inserted into a bacterial plasmid?
Answer:
creates a so-called recombinant plasmid
Researchers can insert DNA fragments or genes into a plasmid vector, creating a so-called recombinant plasmid. This plasmid can be introduced into a bacterium by way of a process called transformation. Then, because bacteria divide rapidly, they can be used as factories to copy DNA fragments in large quantities.
What is inserting a human gene into a bacterial plasmid?
Recombinant DNA is a technology scientist developed that made it possible to insert a human gene into the genetic material of a common bacterium.
What is it called when DNA is inserted into a plasmid?
In a typical cloning experiment, researchers first insert a piece of DNA, such as a gene, into a circular piece of DNA called a plasmid. This step uses restriction enzymes and DNA ligase and is called ligation.
Thus, by inserting human DNA into a bacterial plasmid, bacteria divide rapidly and they can be used as factories to copy DNA fragments.
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In the figure below, working from the inside out, what would be the order of components observed? Water-filled bubble made of phospholipids
water, hydrophilic head, hydrophobic tail, hydrophobic tal, hydrophilic head, water hydrophobic tail, water, hydrophilic head, hydrophilic head, water, hydrophobic tail water, hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail, water water, hydrophobic tail, hydrophilic head, hydrophilic head, hydrophobic tail, water
According to the figure below, the correct order of the components, working from the inside out, is:
WaterHydrophilic headHydrophobic tailHydrophobic talHydrophilic headWater hydrophobic tailWaterCorrect answer: letter B.
This order of the components ensures that the cell membrane is stable and able to effectively regulate the flow of substances into and out of the cell.
Function of the cellular components of a phospholipid bilayerThe cell components that make up a phospholipid bilayer are arranged in a specific order, working from the inside out:
The water molecules are located in the center, surrounded by a hydrophilic head group which is attracted to the water. This is followed by a hydrophobic tail which is repelled by the water and forms the outer layer of the cell membrane.Finally, a second layer of water is located on the outside, providing additional stability to the structure.Learn more about phospholipid bilayer:
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why was the minoan civilization on crete able to flourish?
The Minoan civilization on Crete was able to flourish due to several factors such as their strategic location, efficient agriculture, maritime trade, and advanced art and architecture.
The Minoan civilization existed on the island of Crete from approximately 2600 to 1100 BCE. The civilization flourished during the Bronze Age and was characterized by impressive art and architecture. The Minoans were able to thrive due to a combination of factors. The strategic location of Crete played a crucial role in the success of the Minoan civilization.
The island was situated in the Aegean Sea, making it an ideal location for maritime trade. This allowed the Minoans to establish trading relationships with other cultures, leading to economic growth and prosperity. The island was also located between Europe and Africa, making it an ideal location for international trade. Efficient agriculture was another factor that contributed to the success of the Minoan civilization.
The Minoans were able to cultivate crops such as wheat, barley, and olives, providing a stable source of food. They also domesticated animals such as goats and sheep, which provided a source of meat, milk, and wool. Maritime trade was another key factor in the success of the Minoan civilization. The Minoans were skilled navigators and established trade relationships with Egypt, Syria, and Cyprus, among other cultures. This allowed them to acquire valuable resources such as copper, gold, and ivory.
The Minoans were also known for their impressive art and architecture. They built palaces and other structures using advanced techniques such as ashlar masonry. They also produced exquisite pottery, frescoes, and sculptures. This artistic output helped to establish the Minoan civilization as a cultural center. The combination of these factors allowed the Minoan civilization on Crete to flourish. Despite facing eventual decline and destruction, their legacy continues to inspire and intrigue archaeologists, historians, and other scholars to this day.
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Which of these removes carbon from the atmosphere? logging trees rabbits burning fossil fuels, such as oil bobcats algae
Answer:
burning fossil fuels
Explanation:
if you burne fossil fuels the air gets thek and hard to breath because it removes carbon but not all of it
Hormones called __________help initiate the transmission of pain messages.
A.androgens
B.estrogens
C.prostaglandins
D.isoflavones
The correct answer is C. Prostaglandins are hormones that play a role in initiating the transmission of pain messages.
These hormones are produced by cells throughout the body in response to various stimuli, such as injury or inflammation. When prostaglandins are released, they can cause pain, inflammation, and fever. They are also involved in regulating blood flow and blood clotting. Nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin and ibuprofen work by inhibiting the production of prostaglandins, which can help reduce pain and inflammation. While both androgens and estrogens are hormones that play important roles in the body, they are not directly involved in the transmission of pain messages. Isoflavones are a type of phytoestrogen found in plants, but they do not have a significant impact on pain or pain transmission.
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which statements best compare the function of an ATP molecule to a DNA molecule
ATP helps in muscle contraction, active transport, formation of lysosomes, etc., while DNA carries all the genetic information related to an organism.
What do you mean by DNA molecule?The DNA molecule may be defined as the molecule that carries the genetic information for the development and functioning of an organism.
ATP delivers energy for chemical reactions in the cell. DNA maintains and communicates the genetic information of organisms.
Therefore, the above statement that best compares the function of an ATP molecule to a DNA molecule.
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a tumor contains 109 cells. after a dose of chemotherapy, there are 750,000 cells remaining. when the second chemotherapy dose is given, the tumor has grown to 800,000 cells. how many cells do you expect to remain after the next dose of chemotherapy?
The percentage of cells that were killed by the first chemotherapy dose and the percentage of cells that survived and grew back before the second dose.
The first dose killed \((109 - 750,000)/109 = 99.999%\) of the cells.
The second dose was given after the tumor grew to 800,000 cells, so it grew back by \((800,000 - 750,000)/750,000 = 0.0667\) or 6.67%.
Therefore, we can expect the next chemotherapy dose to kill approximately 93.33% of the remaining cells.
So, the estimated number of cells remaining after the next dose of chemotherapy would be \(800,000 * (1 - 0.9333) = 53,333.\)
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Explain why the frequency of the tusklessness trait is increasing in the African elephant population. Justify your answer using the principles of natural selection.
Answer:
srjddjj and the way I see that one thing is the best thing that can happen is to be able and not to
Explanation:
semester and the next week yea
What if the SHH you are making needs to be accumulated in the cell so that it can be released all at once into the extracellular space at a specific time? How would you store the produced SHH? What would need to occur to release all of the SHH from storage into the extracellular space?
If SHH is to be accumulated and then released into cellular space at a specific time, it would be necessary to establish storage mechanisms and release mechanisms.
To store the produced SHH would require specialized cellular compartments.
To release all of the stored SHH, a signal or stimulus would need to trigger the release of SHH from storage into the extracellular space.
What steps would the SHH storage and release process take place?SHH production.Storage.Storage regulation.Production of the SHH release signal.SHH release.SHH is a protein that is stored within the cell and is released into the extracellular space in times of need. These processes need to work in a very regulated way in order to achieve their objectives. For this reason, well-regulated and optimized storage and release mechanisms are needed.
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during inhalation, _____muscles contract to elevate the ribs. during forced exhalation, ______muscles contract to depress the ribs
1)internal intercostals; external intercostals
2)rectus abdominis; external obliques
3)diaphragm; transverse abdominis
4)transverse abdominis; diaphragm
5)external intercostals; internal intercostals
.
During inhalation, external intercostal muscles contract to elevate the ribs. During forced exhalation, internal intercostal muscles contract to depress the ribs.
Explanation:
Inhalation is the process of breathing in. It involves the contraction of the diaphragm and intercostal muscles. The external intercostal muscles are located between the ribs, and they help to elevate the ribs during inhalation. The diaphragm contracts and flattens during inhalation, increasing the volume of the thoracic cavity and reducing pressure in the lungs. Forced exhalation is the process of breathing out with effort, and it involves the contraction of muscles to reduce the volume of the thoracic cavity. The internal intercostal muscles are located deeper between the ribs, and they help to depress the ribs during forced exhalation. The transverse abdominis muscle is also involved in forced exhalation, as it contracts to compress the abdomen and push the diaphragm upward.
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I come once in tea and twice in coffee who am I????
Is Shibuya City a marine or continental environment?
Answer:
Well, Shibuya City is located in the Tokyo Metropolis of Japan and since it is an urbanized area, it is an continental environment.
A new golf course is built next to a river. Over the past several months, the nitrate levels of the water in the river have been increasing. Which best explains the cause of the increasing nitrate levels?Immersive Reader (1 Point) increased growth of algae decreased biodiversity runoff from fertilizer
Answer:
The answer is "runoff from fertilizer".
Explanation:
The fertilizer is any natural or synthetic material, which is applied with soil or tissue of plant species and provides one or more plant foods, which are necessary for plant growth.
Due to the high durability and excessive irrigation use, nitrate fertilizers, which provide high solubility, as well as the nitrate ion throughout the finishes the product and readily drained away, that's why the given choice is correct.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
Nitrates represent a very important class of plant nutrients which are highly essential for plant growth. Usually, nitrates enter into water bodies via different sources.
The commonest source by which nitrates find its way into different water bodies is through runoff from fertilizer applied to different farmlands.
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If someone adds thousands of small fish to a lake, how would the number of big fish change?
Answer:
The number of big fish would increase
Explanation:
The amount of food for the big fish in the lake would increase, allowing the amount of big fish to increase until another factor (such as space or disease) would stop that increase in population.
What type of amphibole is mentioned in this narration?
A. augite
B. hornblende
C. grunerite
Grunerite is an amphibole mineral that is found in igneous and metamorphic rocks. It is a magnesium-iron silicate and is usually black or dark green in color.
Here, correct option is C.
Grunerite is often found in mafic and ultramafic rocks, where it forms as the result of metamorphism, due to its resistance to alteration. It is not uncommon to find grunerite in areas that have experienced high-pressure metamorphism, such as in blueschists and eclogites.
Grunerite is also known as "amosite," a name derived from its resemblance to asbestos fibers. It has a fibrous habit and is commonly found as long, thin, needle-like crystals. Grunerite is a silicate, meaning it is composed of silicon, oxygen, and other elements, such as magnesium and iron.
Therefore, correct option is C.
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Below is a picture of the codon wheel.
Explain how to use this wheel to determine
the amino acid that codes for the RNA triplet
"CAC"
The first nucleotide of the RNA triplet "CAC" is "C", so you would look for the "C" on the outermost circle.
What is the Codon Wheel?The codon wheel is a circular table that helps to determine the amino acid that is encoded by a particular RNA triplet, also known as a codon.
The wheel is divided into three concentric circles, with the first and second circles representing the first and second nucleotide positions of the codon, and the third circle representing the third nucleotide position of the codon.
To use the codon wheel, you need to locate the first nucleotide of the codon on the outermost circle of the wheel.
How to determine the amino acid that codes for the RNA triplet "CAC"In this case, the first nucleotide of the RNA triplet "CAC" is "C", so you would look for the "C" on the outermost circle. Once you have located the first nucleotide, you need to follow the circle inward to find the second nucleotide.
In this case, the second nucleotide of the RNA triplet "CAC" is "A", so you would follow the "C" circle inward to the "A" circle.
Finally, you need to locate the third nucleotide on the innermost circle of the wheel. In this case, the third nucleotide of the RNA triplet "CAC" is also "C", so you would look for the "C" on the innermost circle.
The amino acid that is encoded by this codon is located in the center of the wheel, and in this case, the amino acid that is encoded by the RNA triplet "CAC" is histidine (His).
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Random mutations may occur that cause a change in the order of nitrogen bases in a codon. One type of mutation involves the substitution of one of the nitrogen bases in a codon. Explain the effect of a substitution of one of the bases in a codon
A substitution mutation, also known as a point mutation, occurs when one nucleotide base in a DNA sequence is replaced by another base.
In the context of a codon, which is a specific sequence of three nucleotide bases that code for a particular amino acid, a substitution mutation can have various effects depending on the specific substitution.
Silent Mutation: In some cases, a substitution mutation in a codon may result in no change in the amino acid sequence. This happens when the substituted base still codes for the same amino acid as the original base. Since the genetic code is degenerate, meaning multiple codons can code for the same amino acid, certain substitutions in the third position of a codon may not alter the resulting protein.
Missense Mutation: A missense mutation occurs when the substitution of a base in a codon leads to the incorporation of a different amino acid into the protein sequence. This change in the amino acid sequence can have varying effects on the structure and function of the protein. It may result in a protein with altered properties, which could affect its activity, stability, or interaction with other molecules.
Nonsense Mutation: A nonsense mutation arises when the substitution of a base in a codon creates a premature stop codon. A stop codon normally signals the termination of protein synthesis. However, in this case, the premature stop codon leads to the truncation of the protein, resulting in a shortened and often non-functional or unstable protein.
The effects of a substitution mutation on a codon depend on the specific base that is substituted and its position within the codon, as well as the role and importance of the corresponding amino acid in the protein's structure and function. These mutations can have varying consequences, ranging from no impact to significant alterations in protein function, which, in turn, can influence the organism's phenotype and potentially lead to genetic disorders or diseases.
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Sickle cell disease is a hereditary mutation that causes the red blood cells to deform, decreasing their ability to carry oxygen. Based on the image, what kind of mutation occurs to cause sickle cell disease?
Answer:
Since there is no image provided in the question, I cannot answer this question. However, I can explain the mutation that causes sickle cell disease.
Sickle cell disease is caused by a mutation in the HBB gene, which provides instructions for making a protein called beta-globin. The mutation results in a change in a single DNA base pair, causing the amino acid valine to be substituted for glutamic acid in the beta-globin protein. This change in amino acid sequence alters the shape of the protein, causing the red blood cells to form a sickle or crescent shape instead of their normal biconcave shape. This sickling makes the cells less flexible and more likely to get trapped in small blood vessels, leading to reduced oxygen supply to tissues and organs, and the characteristic symptoms of sickle cell disease
make an essay about the importance and conservation of energy sources...
I need it :))
Answer:
mark me brainlist if i help:)
Explanation:
First of all, energy conservation plays an important role in saving non-renewable energy resources. Furthermore, non-renewable energy sources take many centuries to regenerate. Moreover, humans consume energy at a faster rate than it can be produced. Therefore, energy conservation would lead to the preservation of these precious non-renewable sources of energy.
Energy conservation will reduce the expenses related to fossil fuels. Fossil fuels are very expensive to mine. Therefore, consumers are required to pay higher prices for goods and services. Energy conservation would certainly reduce the amount of fossil fuel being mined. This, in turn, would reduce the costs of consumers.
Consequently, energy conservation would strengthen the economy as consumers will have more disposable income to spend on goods and services.
Energy conservation is good for scientific research. This is because; energy conservation gives researchers plenty of time to conduct researches.
Therefore, these researchers will have more time to come up with various energy solutions and alternatives. Humans must ensure to have fossil fuels as long as possible. This would give me enough time to finding practical solutions.
D 5. What is ecosystem diversity? the number of different genes in an ecosystem O the number of different ecosystems in an area the number of different niches in an ecosystem the number of different nutrients in an ecosystem
Answer:
Option 2
Explanation:
Ecosystem diversity refers to the number of different ecosystems in an area.
Police are investigating a series of murders in which the suspect is leaving little to no physical evidence, such as fingerprints or DNA. They cannot even establish an obvious link between victims. The only real evidence they have are strange pieces of typewritten poetry found tucked into the victims’ pockets. Who might the police call on to give valuable insight to help them identify the perpetrator and possible future victims? Forensic anthropologist Forensic entomologist Forensic pathologist Forensic psychiatrist
Answer:
Forensic anthropologist
Explanation:
Forensics is a branch of science that deals with the solving of crimes. According to this question, police are investigating a series of murders in which the suspect is leaving little to no physical evidence such as DNA or fingerprint. However, strange pieces of typewritten poetry was found tucked into the victims’ pockets as evidence.
Based on this evidence found, a FORENSIC ANTHROPOLOGIST is the person that can give valuable insight to help the police identify the perpetrator and possible future victims. This is because ANTHROPOLOGY is a social science subject that deals with past events, hence, forensic anthropologists will be able to work on the typewritten poetry.
how does a banana become a banana?
There is a seed in the banana and then the seed grows into a tree and produces more banana
In 1958, Meselson and Stahl conducted an experiment to determine which of the three proposed methods of DNA replication was correct. Identify the three proposed models for DNA replication. Conservative Semiconservative Dispersive . Answer Bank The Meselson and Stahl experiment starts with E. coli containing 1sN/SN labeled DNA grown in 14N media. Which result did Meselson and Stahl observe by sedimentation equilibrium centrifugation to provide strong evidence for the semiconservative model of DNA replication? O The first generation has hybrid ^15N/^14N DNA and the second generation has both hybrid ^15N/^14N and ^14N/^14N DNA. No ^15N/^15N DNA was observed. O Both the first and second generation have both ^15N/^15N DNA and ^14N/^14N DNA. No hybrid ^15N/^14N DNA was observed. O The first generation has hybrid ^15N/^14N and the second generation has hybrid ^15N/^14N DNA. No ^15N/^15N DNA nor ^14N/^14N DNA was observed.
Answer:
1975
Explanation:
because goody addams was sacraficed for this experiment so when the experiment was done Wednesday addams was born
Amylase is a digestive enzyme that breaks down starches into sugars. Which component of the amino acid gives the
monomer the unique characteristics that help amylase function?
A, B, C, or D?
Answer:D
Explanation:
The uniqueness of the amino acid is the R-group (side chain)
Answer:
4/D
Explanation:
just took it on edge
Besides a radio signal, what would you use to rescue people buried in an avalanche?
Answer:
avalanche transceivers are devices that actively transmit and search for an electronic signal at a limited range. They are specifically designed to locate victims buried by avalanches and are generally regarded as the fastest way to find someone in a full burial. Because of this, they are typically listed first in the three avalanche rescue items skiers need when venturing into the backcountry: transceiver, shovel, probe.
Explanation:
hope this helps
Vaccine is used to establish adapted immunity. Explain how this adapted immunity is established by mRNA vaccine.
mRNA vaccines work by introducing a small piece of the virus's genetic material, called messenger RNA (mRNA), into the body. This mRNA is specifically designed to instruct cells in the body to produce a protein that is found on the surface of the virus.
Once this protein is produced, the body's immune system recognizes it as foreign and produces an immune response, including the production of antibodies and immune cells that specifically target this protein on the virus.
This creates a specific and targeted immune response that can protect against future infections by the virus, establishing adapted immunity.
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The thyroid gland regulates bone growth and maintenance through its production of what hormone?
There are two main hormones produced by thyroid glands are T4 and T3 .
How does thyroid hormone regulate growth?
Thyroid hormones regulate growth by several mechanism. In addition to their negative feedback effect on the stimulatory hormones thyrotropin releasing hormone and thyrotropin , thyroid hormone also regulate their receptors in various physiological and pathological conditions.
T3 hormone help to regulate the bone growth.
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Choose the best answer.
Crossing over is important because it creates
A)gene splicing
B)new breed
C)genetic diversity
D)zygote
E)double helix
An experiment is conducted to determine the effects of energy drinks on an individual’s heart rate groups A and B have matched for all factors such as age and sex.Each person in group A is given two red bull energy drinks for breakfast and lunch and then the heart rate is measured.Each person in group B is given water to drink with breakfast and lunch and then their heart rate is measured.Both groups are Fed the same breakfast and lunch the results are recorded
Answer:
Explanation: this is complicated
Mendelian inheritance states that traits are determined when offspring receive
for each trait from
.
Mendelian inheritance states that traits are determined when offspring receive one allele for each trait from each parent.
Mendelian inheritance, named after the Austrian monk Gregor Mendel, explains how traits are passed on from parents to offspring. The basic principle of Mendelian inheritance is that traits are determined by the inheritance of alleles, which are different forms of a gene.
1. Alleles: Genes exist in pairs, with one allele inherited from each parent. These alleles can be either dominant or recessive. Dominant alleles exert their effects even if only one copy is present, while recessive alleles require two copies to be expressed.
2. Gamete Formation: When an organism produces gametes (sperm or eggs), it undergoes a process called meiosis. During meiosis, the pairs of alleles separate, so that each gamete receives only one allele for each trait.
3. Fertilization: When two gametes (one from each parent) combine during fertilization, the resulting offspring inherits one allele for each trait from each parent. This is why offspring typically exhibit a combination of traits from both parents.
4. Punnett Square: To predict the possible combinations of alleles in offspring, a Punnett square can be used. This is a grid that helps determine the probability of different genotypes and phenotypes.
5. Dominant and Recessive Traits: If a dominant allele is present, it will be expressed in the offspring's phenotype. However, if both alleles are recessive, the recessive trait will be expressed.
Overall, Mendelian inheritance provides a framework for understanding how traits are inherited and passed down from one generation to the next through the transmission of alleles from each parent.
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