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Dmitry_Shevchenko [17]
3 years ago
14

Suppose you are studying the transport of a certain polar molecule across the plasma membrane of cells in culture. Over a period

of time, you measure the concentration of a polar molecule inside and outside of the cells. You find that the concentration of the molecule is lower in the cell but is gradually increasing. You also measure the ATP concentration inside the cell and find that it is not changing. Which of the following is probably responsible for the transport of this polar substance into the cell?A) active transport
B) endocytosis
C) facilitated diffusion
D) secondary active transport
E) simple diffusion
Biology
1 answer:
Semenov [28]3 years ago
5 0

Answer:

C. facilitated diffusion

Explanation:

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Answer:

i can only define the terms for you.

Explanation:

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chromatid - each of the two threadlike strands into which a chromosome divides longitudinally during cell division, each containing a double helix of DNA.

gene - a distinct sequence of nucleotides that forms a part of a chromosome, the order of which determines the order of monomers in a polypeptide or nucleic acid molecule which a cell or virus that may synthesize

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Based on the carrying capacity of the habitat and the changes that occurred in number of the two snake species, correct option is They occupy the same niche and are competing fully for all resources; option D

<h3>What is carrying capacity of a habitat?</h3>

The carrying capacity of a habitat is the maximum number of species the available resources in that habitat can sustain.

The data given of the species of snakes, Species A and Species B, indicate that they are both present in the habitat after a change occurs in the habitat.

Since the population of Species A became zero after Species B was introduced in the habitat, they occupy the same niche and are competing fully for all resources.

In conclusion, the competition between the species of snakes is responsible for the decline in Species A.

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3 years ago
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