Match the mitochondrial structure with the correct definition&...

Question

Match the mitochondrial structure with the correct definition

I. Outer membrane _____________

II. Intermembrane space _____________

III. Inner membrane _____________

IV. Cristae _____________

V. Matrix _____________

a. Space between the two membranes

b. Internal space of the mitochondria

c. Contains porin proteins which allow larger molecules to flow into

d. Impermeable to ions and small molecules

e. Infolds that increase the surface area of the membrane

Accepted Answer

So this question is a matching question, and it says to match the mitochondrial structure with the correct definition. So, let's do that. So the first one is the outer membrane, which if you remember, contains, sort of the outer surface of the mitochondria. It contains porin proteins that allow for different molecules to get into the intermembrane space. So if we look at our answers, we'll find that c is likely the correct answer. Then 2 says intermembrane space. So this is going to be the space between the two membranes, which if we look at our answers, that's gonna be a. Then we have the inner membrane, and the inner membrane is going to be really restrictive and not really permeable to ions that, the outer membrane is. So if we look at our answer, that's gonna be g. Then we have crested and matrix, and we're left with 2 choices here. We have, b and we have e. So criss a is what? Is it b or e? Is it an internal space of the mitochondria or is it the end folds that increase the surface area of the membrane? Right. So crissae is e, and that leaves b, which is the internal space of the mitochondria to match with the matrix. So good job matching. Let's now move on.

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