There are two classes of membrane transport proteins—carriers<span> and </span>channels<span>. Both form continuous </span>protein<span> pathways across the lipid bilayer. Whereas transport by </span>carriers<span> can be either active or passive, solute flow through </span>channel proteins<span> is always passive.</span>
A amoeba moves by changing the shape of their bodie, forming pseudopods. ( temporary foot like structures).
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Answer:
It requires two parents and results in offspring that have characteristic of each parent.
Explanation:
This is the answer because sexual reproduction always requires two people a male and a female and the offspring always have both of the parents characteristic.