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juin [17]
3 years ago
6

Cell membranes are selectively permeable, regulating which substances can pass through, as well as how much of each substance ca

n enter or exit at a given time. In cells, some molecules can move down their concentration gradients by crossing the phospholipid portion of the membrane directly, while others must pass through membrane proteins. Which of these statements does NOT apply to facilitated diffusion?
Biology
2 answers:
AlladinOne [14]3 years ago
8 0

Answer: A

Explanation: Because the facilitated diffusion

wlad13 [49]3 years ago
6 0

Answer:

Sorry you can delete my answer later

Explanation:

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A species is a group of organisms so similar to one another that they can breed and produce fertile offspring. True or False.
zimovet [89]

Answer:

True

Explanation:

That is the exact definition that I learned.

8 0
3 years ago
Which of the following is a nucleoside analog commonly used as a reverse transcriptase inhibitor in the treatment of HIV?
Over [174]

Answer:

Azidothymidine

Explanation:

Azidothymidine (AZT) is one of the nucleoside analogs that is used in the treatment of AIDS as it inhibits the process of reverse transcription of HIV (Human immunodeficiency virus).

The HIV replicates by making DNA copies of RNA through the process of reverse transcription. The process is driven by enzyme reverse transcriptase. Azidothymidine (AZT) serves to inhibit the activity of reverse transcriptase enzyme and thereby does not allow HIV to reproduce.

4 0
3 years ago
plant a is placed in a room by the window and plant b is placed on the open field. assuming all other factors remain constant (s
Anna35 [415]

Answer:

plant B

Explanation:

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so the chlorophyll is able to trap more sunlight. which will make it have a higher rate of photosynthesis.

Hope this helps please like and mark as brainliest

6 0
2 years ago
EXPERT ONLY HELP I'LL GIVE BRAINLIEST: EXPLAIN THE ANSWER IN YOUR OWN WORDS.
KATRIN_1 [288]

Answer:

Viruses needs to inject the virus to an organism's body, or host cell and duplicate as many viruses, so it can be able to insert it's own clones and take over the body sooner :3

Explanation:

:3

8 0
3 years ago
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Which describes how mRNA is used by a cell? A. It is used to replicate DNA for meiosis. B. It is used to stop toxins from enteri
Nata [24]
Im pretty sure its D but not sure
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3 years ago
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