Cului
2 points
why can oxygen diffuse across a cell membrane but a protein cannot?
o
a. proteins are much smaller than oxygen.
b. proteins are blocked by protein channels.
o
o
c. oxygen is much smaller than a protein.
d. oxygen is polar and proteins are nonpolar.
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In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

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