Which of these is an example of active transport?
A Glucose molecules move against the concentration gradient across the cell membrane with the help of ATP.
B. Carbon dioxide molecules diffuse freely across the cell membrane.
C. Water molecules move down the concentration gradient across the cell membrane with the help of a channel protein.
D. Oxygen molecules become trapped inside the cell membrane with the help of ATP.

Question

23-11-2020
Biology

contestada

Which of these is an example of active transport?
A Glucose molecules move against the concentration gradient across the cell membrane with the help of ATP.
B. Carbon dioxide molecules diffuse freely across the cell membrane.
C. Water molecules move down the concentration gradient across the cell membrane with the help of a channel protein.
D. Oxygen molecules become trapped inside the cell membrane with the help of ATP.

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weaweea weaweea · Answer 1 · 2020-11-23T22:14:01+01:00

weaweea weaweea

23-11-2020

Answer:

a. glucose molecules move agnst the concentration gradient across the cell membrane w the help of atp

Explanation:

active transport requires energy (atp) to push a molecule agnst its concentration gradient

also glucose molecules r too large to cross without the help of transmembrane proteins

and oxygen molecules r able to get thru by simple diffusion bc they r small enough

Answer Link

michell96 michell96 · Answer 2 · 2021-09-07T19:30:44+02:00

Glucose molecules move against the concentration gradient across the cell membrane with the help of ATP is an example of active transport.

Active transport is a biological term to refer to the movement within the cell in which some molecules move across the cell membrane. This movement requires energy from cells to move.

According to the above, when a glucose molecule moves against the concentration gradient across the cell membrane and in this movement it consumes energy (ATP) it is carrying out active transport.

According to the above, the correct answer is A. because it exemplifies active transport.

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