2. Energy requiring transport mechanisms include A. Primary active transport B. Diffusion C. Facilitated diffusion D. Both A and B...

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Biology

2. Energy requiring transport mechanismsinclude
A. Primary active transport
B. Diffusion
C. Facilitated diffusion
D. Both A and B are correct
E. Both A and C are correct
3. The fixation of nitrogen requires_______.
A. Fe-Mo protein
B. Fe protein
C. Ferredoxin
D. Both A and B are correct
E. All of the above are correct
4. Membranes are rigid when they contain
A. Large amounts of cholesterol
B. Large amounts of unsaturated fatty acids
C. Large amounts of saturated fatty acids
D. Large amounts of water
E. A and B
5. Membrane remodeling
A. Requires phospholipases
B. Requires acyl transferases
C. Occurs only when cells are under stress
D. Both A and B are correct
E. All of the above are correct
7. Which of the following is not a function oflipids
A. Energy storage
B. Components of biological membranes
C. Insulation
D. Source of acetyl-CoA
E. All of the above are functions of lipids

Answer & Explanation Solved by verified expert

3.8 Ratings (459 Votes)

Ans1 The answer is A Primary active transport Explanation There are two modes of transportation of molecules across a membrane and they are differentiated on whether they or not these modes require energy for transportationThe two modes are Active Transport Active transport requires energy in the form of ATP as they are associated with transporting high concentration molecules like ionsglucose and amino acids See Answer

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