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ElenaW [278]
2 years ago
15

A/An _______ exists when different concentrations of a substance exist on either side of a membrane.

Biology
1 answer:
Alecsey [184]2 years ago
4 0

Answer:It is known as a concentration gradient which in diffusion will always flow from ares of high concentration to areas of low concentrations  

So i believe the answer to this is A.

Explanation:

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If the initiating codon of a mRNA became mutated, what would the effect be on the transcript?
faltersainse [42]

Answer:

Translation will not occur.

Explanation:

The start codon is responsible for the initiation of translation in both prokaryotes and eukaryotes. AUG is the start codon in both which code for methionine in eukaryotes and formyl methionine and prokaryotes.

Therefore if the starts codon becomes mutated than the tRNA would not able to recognize the initiation codon and no methionine would be added as the first amino acid so the translation process might not start and no protein forms. Then the ribosome scans further for the next start codon to start translation.

7 0
3 years ago
water molecules evaporate from a lake near the equator and rise into the atmosphere, as shown in the diagram below. as the molec
valentinak56 [21]

<u>Condensation</u> is the next step in the water cycle that is most likely to happen next as water molecules evaporate from a lake near the equator and rise into the atmosphere, as shown in the diagram below. and as the molecules travel away from the equator.

Explanation:

As the warmer air mass rises into the upper atmosphere, at the equator, it begins to cool because temperatures drop with altitude. The relative humidity of the air mass increases until it reachesdew point. The water vapor begins to condense into water droplets.

This air mass begins moving towards the poles (away from the equator) bringing with it clouds (condensed water vapor) that precipitate later on. This air mass begins to sinks because it has become denser with a decrease in temperature. As it sinks it replaces the air mass moving to the equator. The air rushing to the equator is  replacing the rising warm air mass at the equator. This cycle continues.

Learn More:

For more on the water cycle check out;

brainly.com/question/11437446?section=related_q

brainly.com/question/978359

#LearnWithBrainly

4 0
2 years ago
Which is the best example of a hypothesis leading to new experimental
Serjik [45]

try it first then do it over again until it works

3 0
3 years ago
using the food web, describe two complete food chains that include a ptoducer, consumer, and descomposer.​
Damm [24]

Answer:

A food chain is a representation of what eats what in an ecosystem.

A combination of food chains is termed as a food web.

Example of two food chains in a food web are :

Example No 1:

Plant----- Grasshopper------ Frog---snake--- bacteria

Example No 2:

Plant---- rabbits---- fox---- bacteria

In a food chain, producers are usually plants and algae which are able to make their own food. Consumers feed on the plants. In example no 1, grasshoppers are primary consumers, frogs are secondary consumers, snakes are tertiary consumers.

In example no 2,plants are producers, rabbits are primary consumers and foxed are secondary consumers.

Decomposers are organisms that feed on the dead organisms in a food chain. In both the examples of food chain, bacteria are the decomposers.

7 0
2 years ago
Read 2 more answers
why do you think that HIV infection usually fails to promote a strong immune response to contact the disease​
guajiro [1.7K]

Answer:

because your body is fighting against the disease

4 0
3 years ago
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