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zheka24 [161]
3 years ago
10

The process of ________ involves a carrier protein that can transport a molecule across the cell membrane down its concentration

gradient.
Biology
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0

Answer:

Answer is Facilitated diffusion.

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PLS HELP ASAP If an animal cell wasn't in an isotonic solution, wouldn't active transport be able to balance the cell's volume?
ohaa [14]

Answer:

Animal cells tend to do best in an isotonic environment, plant cells tend to do best in

a hypotonic environment. This is demonstrated in the attached PDF.

Explanation:

A cell that does not have a rigid cell wall, such as a red blood cell, will swell and lyse (burst)  when placed in a hypotonic solution, a process called cytolysis. Cells with a cell wall will swell when placed in a hypotonic solution, but once the cell is turgid (firm), the tough cell wall prevents any more water from entering the cell. When placed in a hypertonic solution, a cell without a cell wall will lose water to the environment, shrivel, and probably die. In a hypertonic solution, a cell with a cell wall will lose water too. The plasma membrane pulls away from the cell wall as it shrivels, a process called plasmolysis.

I hope this helps. If not I am really sorry!

Download pdf
7 0
3 years ago
Which are characteristics of scientific questions? Check all that apply.
lisov135 [29]

Answer:

asking about subjective matters, addressing a gap in knowledge, and already having fully confirmed explanations

Explanation:

4 0
3 years ago
Help with all please 10 points and try and leave a small explanation, sorry for the quality lol.
andrew-mc [135]
Answer for question 1- B (eliminate all plant life)

Answer for question 3- A (Direct energy from the Sun)

(i’m not entirely sure what the answer is to question 2 and i do apologies if any of this incorrect)

5 0
2 years ago
Which statement best explains why muscle cells and skin cells do not look and act the same
vichka [17]
Because they are made to perform two different functions. Cells are part of tissues that are part of organs that perform a certain function. For example, your bone cells are made to make blood cells, so they wouldn’t be in your lungs as well.
3 0
3 years ago
Look at the diagram. When this process happens in human cells, how many chromosomes will there
irina1246 [14]

Answer:

46 chromosomes

Explanation:

In mitosis (I think it is this process) the 46 chromosomes in cell A replicate themselves, so there are 92 in total in cell B. Then the chromosomes are pulled apart and the cell splits into 2 daughter cells, leaving 46 chromosomes in each.

5 0
3 years ago
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