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3 biology questions. please help

Biology
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all eukaryotic cells have a cytoskeleton, including plant cells, which have cell walls as well. what does the cytoskeleton in a plant cell do that the cell wall cannot? it acts as a framework inside the endoplasmic reticulum and keeps it from collapsing it helps keep the orgnaelles in place and directs their movement as needed it provides anchoring places for the cell cytoplasm and helps it move molecules it keeps the DNA safely enclosed in the nucleus and holds the nucleus together Studies have shown that some medications can damage mitochondria . Which of the following would you predict to be the most likely long-term effect on an organism with damaged mitochondria? proteins would not be modified after being synthesized, and the organism would be unable to grow the organism would suffer as its cells would be less able to provide the energy needed to carry out life functions substances would not be able to enter or leave the cells of the organism, and affected cells would eventually burst errors would be made during DNA replicatio, and the organism would be mroe likely to develop cancer when a cell has to endure lasting changes in its environment that require it to actively transport more molecules than normal through the cell membrane, what effect will this have on the mitochondria of the cell? the cell will need-- fewer mitochondria since the transport porteins will also create ATP more mitochondria to meet the increased energy demand more mitochondria to repair damage to the ATP molecules fewer mitochondria since there will be fewer molecules left in the cell
can anyone please help ?? im stuck
I can try to help :)

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Other answers:

:) yay thank u
ok #1. Lets do process of elimination, Which do you think is not right, like the one you can tell is nor right at all
well for #1 i think a and c arent right at all. but i dont have a clue about genetics and stuff so.
No, thats good those are not right.... ok so that leaves you with B and D which one do YOU think makes more sence
hmmm maybe b ?
Why?.. i mean that right good job but what makes it true?
okay i have to get off and submit this like now. im late for church
okay nvm, sorry.

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