Answer:
Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients. Hope this helps you out! :)
Answer:
If an X-linked mutation results in the absence of a certain protein, a cell which has inactivated the wild-type, X-chromosome will experience problems from the protein absence, possibly resulting in growth disadvantage of that cell, or even cell death, which will result in selection against mutant cells
Explanation:
The structures which are part of the upper respiratory system include the following:
<h3>What is Respiratory system?</h3>
This is the system which is involved in the gaseous exchange of organisms and consists of organs such as lungs etc.
The parts mentioned above are found in the upper respiratory tract of most animals.
Read more about Respiratory system here brainly.com/question/2619922
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Answer:
I think it mRNA will be the answer