Answer:
2] conserve salt 1] requires the presence of a membrane protein
Explanation:
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an Antibody!
Hope this helped!
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A transfer of energy in practice means that one organism eats the other organism, so here we have to ask whether the first organism is eaten by the second.
A. from rabbits to green plants
Plants don't eat rabbits so -no!
B. from weasels to eagles
-this is the correct answer! Eagles do prey on weasels and eat them whenever they can
C. from eagles to rabbits
Rabbits don't eat eagles -so, no!
D. from green plants to weasels
Weasels are predators so they don't eat plants!
A bad line measurement (aka control) is set up so that you can compare your results from each test against so it gives the values a meaning as it shows how they differ from eachother
The activity of some enzymes requires vitamins. This is because vitamin derivatives contribute to the biochemical mechanisms of these enzymes. These vitamin derivatives belong to a class of molecules known as cofactors, which are organic molecules (called coenzymes) or metallic ions, that assist in the catalytic activity of an enzyme.
