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pav-90 [236]
2 years ago
9

What structural feature of cells can allow molecules to flow directly from the inside of one cell to the inside of next

Biology
2 answers:
stellarik [79]2 years ago
5 0

Answer:

gap junctions synapses neurons microtubules.

Explanation:

Nadusha1986 [10]2 years ago
5 0

Answer:

A. plasmodesmata

Explanation:

Adjacent plant cells have in their walls several pores, places where there is no cellulose or any other type of material. These pores are crossed by numerous very thin membrane tubes that allow direct contact between the cytoplasm of a cell with the cytoplasm of neighboring cells, as well as the exchange of functional, structural and information molecules: the plasmodesms (from Greek, plasma = form, wean = binding). That is, plasmodesms are the structural feature cells can allow molecules to flow directly from inside one cell into the next.

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What is meant by the statement "Evolution may proceed along 'genetic lines of least resistance'"?
Ivan

Answer:

C. Characters with little genetic variation will constrain the rate of natural selection

Explanation:

Natural selection can have an effect only as long as there are variations on characters on which it can select upon. Genetic variation is independent of the environment or the needs that a species may have to become better adapted to its changing environment. In other words, genetic mutations are the raw material on which natural selection can work. If there is a low rate for mutations to occur, then natural selection will proceed at a slow pace. The opposite is also true. Since mutation rate may be more frequent at some locations in a gene than at others, it can be predicted that the characters coded in that gene location will be more likely to be affected by natural selection and therefore what phenotype may be molded by natural selection.

6 0
3 years ago
Alcohol interacts with more types of receptors, neurotransmitters, and genes than do marijuana and cocaine.
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7 0
3 years ago
Blood flow
horrorfan [7]

Answer:

D. Tricuspid → right ventricle → pulmonary valve → pulmonary circulation

Explanation:

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Thus, Option-D is correct.

4 0
3 years ago
What is the independent variable?<br><br> What is the dependent variable?
Step2247 [10]

Answer:

the independent is the age of the tree and the dependent is the diameter

Explanation:

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7 0
2 years ago
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HOPE THIS HELPS! ^_^
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