Identifying Passive and Active Transport
Fill in the blanks with the correct words.
The movement of molecules from an area of low concentration to an area of high concentration occurs in
transport
In
transport
, molecules move from an area of high concentration to an area of low concentration
Answers
Answer:
osmosis and diffusion respectively
Explanation:
osmosis is the first one and diffusion is the second one
Related Questions
a culture of e. coli is growing on glucose salts agar (gsa), a chemically defined medium that contains glucose as its sole carbon source. e. coli utilizes the glucose for both its energy and carbon needs. during metabolism, it uses precursor metabolites of its central metabolic pathways and atp to build up the biological macromolecules needed to make cell components. these biosynthetic reactions are best described as .
Answers
On glucose salts agar (GSA), a chemically defined medium with glucose as its sole carbon source, an E. coli culture is developing. The glucose is used by E. coli for both its carbon and energy requirements.
What would happen if E. coli cells that are developing in a medium with glucose were switched to a medium with lactose?The milk sugar lactose (glucose-4—d-galactoses) is not utilised by Escherichia coli growing in nutrient medium containing glucose; but, if the bacteria are placed in a growth medium containing lactose, they will.
Consider the growth of E. coli in the presence of glucose and lactose as carbon sources.When the supply of glucose runs out, coli switches to lactose or other carbohydrates and grows more slowly. Glucose prevents the utilisation.
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Green plants use light energy to grow. What would happens to a plant in dark green house if they were lit only by green light
Answers
Answer:
It will not photosynthesized.
Explanation:
A plant in a dark green house will not photosynthesized because for photosynthesis to occur, plants must be able to absorb red light and blue light energy in order to produce carbohydrates. The green light from the green house of plant placed there is a reflection of the green pigment i.e chlorophyll that the plant possessed. This can not allow photosynthesis.
A human baby is born with two X chromosomes what must be true about
this baby
Answers
Answer:
It is a Female
Explanation:
As shown in the diagram, solar radiation strikes the Earth at different angles, resulting in certain areas experiencing much more solar energy per unit area per year. The differences in heat distribution create three climate zones: tropical, temperate, and polar.
1. Use the information in the diagram and the passage to describe the relationship between latitude, solar energy, and climate in the three labeled zones.
Answers
According to the graph and the information, it can be inferred that in the equatorial zone the sun is greater and its incidence will reduce at higher latitudes (polar zones).
What is the relationship between latitude and solar energy?The relationship between earth's latitude and solar energy is defined by the latitudinal location of a point. For example, the equatorial zones receive most of the sun's rays throughout the year, for this reason there are no seasons and, on the contrary, there are constant hot days.
In tropical areas, the sun's rays vary depending on the position of the earth with respect to the sun, so that in some seasons there is more incidence of the sun and in others there is less incidence. This gives rise to the seasons of the year.
Finally, in the polar areas the temperature is constantly cold, this is due to the fact that the angle of incidence of the sun's rays is very indirect. Due to the above, there are days in which the sunlight is not seen. In addition, the temperature is low there throughout the year.
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A human cell has 46 chromosomes. The cell begins mitosis and divides into two new daughter cells. How many chromosomes does each new cell contain?
Answers
The new cells has two groups of 46 chromosomes, each with their own nuclear membrane.
B. Ecosystems and Communities 1. Do a vocabulary word wall with the following :biotic, abiotic, habitat, niche ,resources, predation, symbiosis, metabolism, commensalism, parasitism, succession-primary and secondary, pioneer species. Put in alphabetical order, Define and give an example. You may include a internet picture.Explain how climate affects ecosystems.
Design a chart with the major Biomes that include a description, major plants, major animals, climate, rainfall, location and human impact on the Biome. OR make a poster that includes all of that.
4. Exploration p 113
5. Extra Credit - design a travel brochure of a particular Biome
Answers
Ecosystems are vulnerable to various aspects of climate change. The temperature and rainfall patterns prevalent within an ecosystem determine the types of plants that can grow there which subsequently affects the composition of fauna within it. Climate rhythms also regulate crucial milestones within such systems - think blooming periods or seasonal migrations.
Disruptions to these interrelations caused by environmental alteration could harmfully affect ecosystem composition as well as functionality. Take for instance a scenario where rising atmospheric temperature forces some plant categories to migrate; this occurrence may endanger animals that count on them as food or nesting sites.
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What would a "good edge" be in bacteria
Help pleasee
Answers
Answer:
Explanation:
somr bacterias are bad health
14) Besides being prescribed to humans, explain one other ways antibiotics are being used.
15) How was NFL football player Daniel Fells affected by bacteria and antibiotic resistance?
16) What was Alexander Fleming’s contribution to science?
1) Use evidence from the passage and “Rise of the Supergerms” to explain why it is important to search for new antibiotics.
2)According to the passage above, why is it beneficial to study bacteria found in nature to try to discover new antibiotics?
3) Explain the problem the scientists were trying to solve in developing the iChip.
4) Why do you think it is important that bacteria be placed in individual pits in the iChip?
5) Why is the discovery of text actin so important in the fight against antibiotic-resistant bacteria? Use evidence to support the passage and “Rise of Supergerms” to support your answer.
Answers
Antibiotics have different mechanisms of action, but they usually target bacteria vital processes such as protein or cell wall sysnthesis.
What the Tetracycline binds?Tetracycline binds to the 30s and 50s subunits of the ribosome blocking the introduction of new amino acids to the peptide chain being synthetised. Without protein synthesis cells cannot divide, helping the immune system to kill them.
Penicillin inhibits the enzyme involved in the final step of cell wall biosynthesis interrupting bacteria cell division. Bacteria have developed different strategies for the movement of material genetic other than the vertical transmission in mitosis.
Therefore, Antibiotics have different mechanisms of action, but they usually target bacteria vital processes such as protein or cell wall sysnthesis.
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1. Which of the following are
are autotrophs?
a. impalas
leopards
b. plants
d. mushrooms
Answers
Answer:
B
Explanation: Plants are Autotrophs, they make their own food.
We now know how much oxygen there is available in each store, as well as in total, and we have just calculated a hypothetical oxygen consumption for the seal if it shows the same factorial increase as humans. So, what is the equation to calculate the aerobic dive limit in minutes? a) A = total ml of Oz in stores x rate of Oz consumption during diving b) A total ml. of O2 stores (ml) / rate of O, consumption during diving c) A total mL of O2 in stores - rate of O2 consumption during diving d) A - rate of Oz consumption during diving / total mL of Oz in stores WEW THEORY
Answers
"To calculate the aerobic dive limit in minutes using the given information, the correct equation is: b) A = total ml of O₂ stores (ml) / rate of O₂ consumption during diving."
In this equation, "A" represents the aerobic dive limit, which is the time it takes for the seal to deplete its available oxygen stores while maintaining an aerobic metabolism. You need to divide the total milliliters of O₂ stores by the calculated hypothetical oxygen consumption rate during diving to obtain the aerobic dive limit in minutes.
Hypothetical oxygen consumption refers to the estimated or speculative amount of oxygen that would be consumed under certain circumstances or conditions. It is an approximation or prediction based on assumptions and hypothetical scenarios.
Aerobic dive limit (ADL) is the maximum duration of a dive that an animal can sustain using only its aerobic metabolism, without relying on anaerobic energy sources. It represents the time during which an animal can maintain its oxygen consumption rate at a level that can be sustained without oxygen debt or excessive accumulation of metabolic byproducts. The ADL varies among species and can be influenced by factors such as body size, metabolic rate, diving behavior, and physiological adaptations for underwater foraging.
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A key part of the Watson-Crick model came when Watson realized
that adenine could form hydrogen bonds with thymine and guanine
could form hydrogen bonds with cytosine. This explains why A=T
and G C in Chargaff's rules. Also, these two hydrogen-bonded
nucleotide pairs had the exact same width, so they could form the
rungs of the DNA ladder.
The fact that these pairs could match up only in this way meant that
the sequence of bases in one strand could determine the sequence
of bases in a second strand created from the first. The second strand
is said to be complementary to the first strand. Individual bases are
paired so that the identity of any base determines the identity of the
base paired with it; that is, the complementary base.
This table lists the base abbreviations for bases in a sample of single-
stranded DNA. Fill in the second column with the base abbreviations
that are complementary to the given bases.
Answers
The complementary base for the given base abbreviations in the second column of the DNA bases table are as follows:
DNA bases table AU CGGC CGAT TAAT ATTA TACG ATGC CGTA TAGC GCAT TCGG AUCG GCTA ATGC CGUA TAGC GCAT GCTA ATGC CGUA TAGC GCAT
To fill in the second column with the base abbreviations that are complementary to the given bases, we can use the Watson-Crick base pairing rules:
Adenine (A) pairs with Thymine (T)
Guanine (G) pairs with Cytosine (C)
Here's the table with the complementary base abbreviations filled in:
Base Abbreviation Complementary Base Abbreviation
A T
T A
G C
C G
Using the Watson-Crick base pairing rules, the complementary bases for the given bases are:
The complement of A is T.
The complement of T is A.
The complement of G is C.
The complement of C is G.
Therefore, the second column with the base abbreviations that are complementary to the given bases is:
Base Abbreviation Complementary Base Abbreviation
A T
T A
G C
C G
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ejection of urine and semen through the urethra is accomplished by the action of the
Answers
Ejection of urine and semen through the urethra is accomplished by the action of the "muscular contractions" in the urinary and reproductive systems.
Urine is expelled from the body through a process called micturition, which involves the coordinated action of the detrusor muscle and the urinary sphincters. When the bladder is full, the detrusor muscle contracts, and the internal and external urinary sphincters relax, allowing urine to pass through the urethra and exit the body.
On the other hand, ejaculation of semen is a result of the contraction of smooth muscles in the reproductive system. During sexual arousal, sperm cells produced in the testes travel through the epididymis and mix with seminal fluid to form semen.
Semen is propelled through the vas deferens and the ejaculatory ducts into the urethra by the action of the smooth muscles lining these tubes. At the same time, the bulbospongiosus muscle and the pelvic floor muscles contract rhythmically to expel semen through the urethra and out of the body.
In both cases, the ejection of fluids through the urethra is a well-coordinated physiological process that ensures the proper function of the urinary and reproductive systems.
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how can an environment affect a gene expression
Answers
I really hope this helps
is sleep deprivation inherited or spontaneous
Answers
Answer:
inherent
Explanation:
its most likely inherited
Large study confirms that insomnia is hereditary. Researchers have identified specific genes that may trigger the development of sleep problems, and have also demonstrated a genetic link between insomnia and psychiatric disorders such as depression, or physical conditions such as type 2 diabetes.
One of the largest and oldest organisms on earth is located in fish lake and nation, forest, in utah.pando is an 80,000 year old grove of aspen trees that cover 100 acres. Although it looks like a forest, DNA analysis of several of the trees has confirmed it is really just one huge organism. Therefore the trees must have been reproduced
Answers
Pando aspen grove in Utah is an immense, genetically identical organism consisting of interconnected aspen trees spanning 100 acres and estimated to be around 80,000 years old.
One of the largest and oldest organisms on Earth, known as Pando, is located in Fish Lake National Forest in Utah. Pando aspen grove is an 80,000-year-old grove of aspen trees that covers approximately 100 acres. While it appears to be a forest, DNA analysis of several of the trees has revealed that they are genetically identical, confirming that Pando is actually one immense organism. The trees of Pando have been reproduced through a process called vegetative reproduction, where new shoots and stems emerge from the existing root system. This unique reproductive strategy has allowed Pando to persist and expand over thousands of years, making it a remarkable example of the interconnectedness and longevity of living organisms.For more questions on Pando aspen grove:
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Explain El Niño, how it's identified, and its potential negative impacts.
Answers
Answer:
HE IMPROVED THE WORLD BY GIVING SOMTHING THAT IT DID NOT HAVVE
Explanation:
ENJOY :)
explain Calvin cycle
Answers
Answer: The Calvin cycle is a process that plants and algae use to turn carbon dioxide from the air.
hope its helps you.
keep smiling be happy stay safe
NASA just crashed a spacecraft into an asteroid to see what would happen. How do you feel about this headline? Are you hopeful? Do you think its a waste of time?
Answers
A specieces that impacts the survival rates of another species in an ecosystem is known as
a
niches species
b
extinct species
c
endangered species
d
keystone species
Answers
Are chemosynthetic bacteria autotrophs or heterotrophs?
Answers
Answer:
autotrophs
Explanation:
they can produce thier own energy and whatnot without the need of an outside source such as the sun for example
briefly explain how hydra accomplish each of the 9 main life process of an animal. use proper structure names when possible.
Answers
These are the 9 main life processes of an animal and how hydra accomplish each of them:
RespirationNutritionExcretionSensitivityMovementGrowthReproductionDevelopmentDeathWhat do these processes mean?Respiration: Hydras respire through their skin. The skin is thin and allows oxygen to diffuse into the body. Carbon dioxide diffuses out of the body in the same way.
Nutrition: Hydras are carnivores and feed on small animals, such as plankton and insects. They capture their prey with their tentacles and inject it with a paralyzing venom. The venom paralyzes the prey and makes it easier for the hydra to digest.
Excretion: Hydras excrete waste products through their skin. The waste products diffuse out of the body in the same way that oxygen diffuses in.
Sensitivity: Hydras are sensitive to touch, light, and chemicals. They use these senses to find food, avoid predators, and reproduce.
Movement: Hydras can move by contracting their body. They can also move by extending their tentacles.
Growth: Hydras grow by cell division. The cells at the tip of the body divide and create new cells. These new cells are added to the body of the hydra, making it grow longer.
Reproduction: Hydras can reproduce sexually or asexually. Sexual reproduction involves the fusion of two gametes, each from a different hydra. Asexual reproduction involves the budding of a new hydra from the body of an existing hydra.
Development: Hydras develop from a fertilized egg. The egg divides into two cells, then four cells, and so on. The cells eventually form a blastula, which is a ball of cells. The blastula then forms a gastrula, which is a cup-shaped organism with two layers of cells. The gastrula eventually develops into a hydra.
Death: Hydras can die from a variety of causes, including starvation, predation, and disease.
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PLS HELP ME ASAP
Can you pls answer all the answers and thank youu GIVING 100 point
Answers
Answer:
A) Highest elevation is 125
Explanation:
Because it is the highest part
the answer to your question is A) Highest elevation is 125
Which organ is both
secondary consumer in primary?
Answers
In the context of a food chain, a secondary consumer is an organism that feeds on primary consumers. Primary consumers are herbivores that feed on producers (plants). Secondary consumers are typically carnivores or omnivores. However, this classification does not apply to human organs, as organs are part of an individual organism and do not consume other organisms.
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. Let's look at the parts of a typical food chain, starting from the bottom—the producers—and moving upward.
At the base of the food chain lie the primary producers. The primary producers are autotrophs and are most often photosynthetic organisms such as plants, algae, or cyanobacteria.
The organisms that eat the primary producers are called primary consumers. Primary consumers are usually herbivores, plant-eaters, though they may be algae eaters or bacteria eaters.
The organisms that eat the primary consumers are called secondary consumers. Secondary consumers are generally meat-eaters—carnivores.
The organisms that eat the secondary consumers are called tertiary consumers. These are carnivore-eating carnivores, like eagles or big fish.
Some food chains have additional levels, such as quaternary consumers—carnivores that eat tertiary consumers. Organisms at the very top of a food chain are called apex consumers.
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in osmosis, water undergoes net diffusion to an area of lower
Answers
where its free (unbound) concentration is lower
If the template strand has two or more identical nucleotides in a row, their complementary nucleotides will be added one after the other in the same flow step. The labels on the vertical axis of the flow-gram indicate how many of the same nucleotide in a row are detected; for example, where a peak for C extends into the 3 region, it indicates 3 Cs in a row, or CCC.How are two or more of the same nucleotide (in a row) detected in the flow-gram?
Answers
When two or more of the same nucleotide (in a row) are detected in the flow-gram, they appear as the highest peak.
The formation of phosphate ester bonds can connect nucleotides. The hydroxyl group of the a phosphate solely on a single nucleotide condenses with the hydroxyl group of another nucleotide's carbohydrate ring. The process of constructing nucleic acid molecules may continue.
Deoxyribonucleic acid (DNA) as well as ribonucleic acid (RNA) are nucleic acids found in living cell nuclei. They are the carriers of genetic information. Nucleic acids are polymers formed by the condensation of nucleotides.
The process whereby a double-stranded DNA molecule has been copied to produce two identical DNA molecules has been known as replication. One of the fundamental processes which occurs inside a cell is DNA replication.
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How does point mutation affect the amount of DNA?
Answers
The point mutation can alter the amount of DNA sequences depending upon the type of mutation.
A point mutation is a type of mutation in which the DNA or RNA, the organism's genetic material, is altered by the addition, deletion, or modification of a single nucleotide base. The amount of DNA is unaffected by base substitution since the nucleotide count is unaffected after the substitution. The amount of DNA grows with insertions and mutations because there are more nucleotides involved, whereas it decreases with deletion mutations. A common example of substitution point mutation is sickle cell anemia.
Hence, the type of point mutation determines the amount of DNA.
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Which substance is used by plants during photosynthesis?
a. sulfuric acid c. carbon monoxide b. carbon dioxide d. urea
Answers
Answer:
i say that the answer is c
Explanation:
Answer:
Carbon dioxide
PLEASEE ANSWER FASTTT
A mutation occurs that deletes five nucleotides close to the beginning of a gene. When mRNA is synthesized from the mutated gene, the mRNA is missing the five nucleotides.
What effect will this mutation likely have on proteins made using the mutated mRNA?
Answer options with 4 options
A.
The protein will still function properly although it will be missing one amino acid.
B.
The ribosome will correct the error in the mRNA and synthesize the protein correctly.
C.
The mutated mRNA will not leave the cell nucleus, so it will not be used to synthesize proteins.
D.
The amino acid sequence in the protein will be incorrect, and the protein will not function properly.
Answers
The correct statement is D. The protein's amino acid sequence will be off, preventing it from functioning correctly. The sequence of nucleotides in mRNA dictates the sequence of amino acids in the resultant protein throughout the process of protein synthesis.
During translation, each codon (a group of three nucleotides) in the mRNA codes for a particular amino acid.
In the described instance, a mutation resulted in the deletion of five nucleotides from the gene's beginning. The mRNA produced from this altered gene will thus be deficient in those five nucleotides.
A frameshift mutation results from this loss, which modifies the mRNA's reading frame.
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Which two sentences best explain what happens to the energy snails get
from the plants they eat?
. A. The snails use about 1% of the plants energy to carry out life
processes.
. B. About 90% of the energy is lost as heat escapes into the
surroundings.
. C. The snails use about 10% of the plants energy to carry out life
processes.
D. About 90% of the energy IS passed on to the birds that eat the
snalls
Pls hurry
Answers
Answer:
B. About 90% of the energy is lost as heat escapes into the
surroundings.
C. The snails use about 10% of the plant's energy to carry out life
processes.
Explanation:
Describe how living things are involved in the constant cycling of carbon.
Answers
Answer:
plants uses carbon dioxide during photosynthesis. plants use carbon to make carbohydrates and cellulose. animals then eat plants and carbon is passed down. Animals then respire and release carbon dioxide into the atmosphere.
Answer:
Plants uses carbon dioxide during photosynthesis. Plants use carbon to make carbohydrates and cellulose. Animals then eat plants and carbon is passed down. Animals then respire and release carbon dioxide into the atmosphere.