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torisob [31]
2 years ago
6

How does the structure of xylem relate to its function

Biology
1 answer:
denpristay [2]2 years ago
5 0

Answer:

They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.

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Individuals who are affected by Sickle Cell Anemia have a mutation which leads to the production of valine instead of glutamic a
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What is a group of tissue that work together to do a specific job?
zimovet [89]
The group of tissue that work together to do a specific job is called ORGAN
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You have identified a mutation in a gene that seems to decrease transcription of another gene 2000 bp away from the mutation sit
Reil [10]

Answer:

Enhancer sequence.

Explanation:

Enhancers may be defined as the transcription factors that are used to enhance or increase the activity of the gene. Enhancers bind with the transcription factors to regulate and increase its expression.

The mutation in the enhancers decrease the transcription of  of the other gene. These sequences lies far away from the transcription site but still known to increase the rate of transcription. Hence, the mutation has been done in the enhancer sequences.

Thus, the correct answer is option (b).

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In terms of natural selection, what is the best description of an organism that is fit?
kodGreya [7K]

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6 0
4 years ago
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The phosphorylation of fructose 6-phosphate to fructose-1,6-bisphosphate is the committed step in glycolysis because.
kati45 [8]

The phosphorylation of fructose 6-phosphate to fructose-1,6-bisphosphate is the committed step in glycolysis because<u> fructose 1,6-bisphosphate can undergo no other reactions than those of glycolysis.</u>

<h3>What is phosphorylation?</h3>
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To learn more about phosphorylation with the given link

brainly.com/question/15585148

#SPJ4

5 0
2 years ago
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