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Kazeer [188]
3 years ago
13

Within a cell, the amount of protein made using a given mRNA molecule depends partly on

Biology
1 answer:
Ksivusya [100]3 years ago
3 0

Answer:

b. the rate at which the mRNA is degraded.

Explanation:

DNA is transcribed into mRNA which then joins ribosomes present in the cytoplasm to serve as a template for protein synthesis. Regulation of gene expression occurs at several levels.

One such regulatory mechanism is the stability of mRNA and the rate of its degradation which in turn affects the availability of template for the process of protein synthesis and thereby keeps a check on the total amount of protein being formed in a cell.

For example, a very short life span of bacterial mRNA (few minutes) allows them to regulate the pattern of protein synthesis quickly in response to the changes in surroundings.

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Sauron [17]

Answer:

los pigmentos protege las plantas del daño causado por los rayos UV y la luz visible

ayuda a absorber la energía del sol.

 controla  fotosíntesis, el crecimiento y el desarrollo de las plantas

Explanation:

5 0
3 years ago
What types of cell differentiate to become especialized
Allushta [10]
A cell that can differentiate into all cell types of the adult organism is known as pluripotent. Such cells are called meristematic cells in higher plants and embryonic stem cells in animals, though some groups report the presence of adult pluripotent cells.
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3 years ago
Which statement correctly compares protists to prokaryotes?
4vir4ik [10]

<u>Answer:</u>

The correct answer is D

<u>Explanation:</u>

1- Most of the protists and all Prokaryotes are unicellular organisms.  

2- Prokaryotes lack a proper nucleus and other membrane-bounded organelles while protists have membrane-bounded nuclei and other organelles.

3- Protists have cytosol where most of the organelles are found.

4- Protists don't have a cell wall while prokaryotes have a cell wall that acts as an extra protection layer. The cell wall of the protists shapes their body.

8 0
3 years ago
Read 2 more answers
Lichens are composed of two organisms, a fungus
algol [13]

Answer:

B) ecological succession

Explanation:

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Primary succession involves the series of changes that occurs on a new habitat that has never been previously colonized. This is the case of the colonization of bare rocks with no plant life by LICHENS. The action of the lichen, which involves secretion of acids that disintegrates the rocks into soil, paves way for the colonization of that area by new species.

Lichens, via the role they play in primary succession by helping alter a barren area into a fertile one that accommodates other organisms, makes them be regarded as PIONEERS of primary succession.

7 0
3 years ago
Eutrophication results in the death of trout and other fish as a result of
Darya [45]
Eutrophication results in the death of trout and other fish as a result of asphyxiation from the lack of oxygen. Eutrophication involves the enrichment of water by nutrients salts such as phosphates, nitrates among others, that causes structural changes of the aquatic ecosystem such as; increased production of algae and aquatic plants, depletion of fish species, deterioration of water quality and other effects that impact negatively the aquatic ecosystem. 
4 0
3 years ago
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