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problem 1: Which kind of molecule do whales use for the energy storage and insulation?

a) DNA
b) Glucose
c) Fat
d) Starch

problem 2: Illustrate most directly controls the rate at which food is broken down to discharge energy?

a) Enzymes
b) Hormones
c) Nucleic acids
d) Vitamins

problem 3: If energy is required to move materials into or out of a cell, what is most likely happening?

a) Active transport
b) Passive transport
c) Osmosis
d) Diffusion

problem 4: How are prokaryotic and eukaryotic cells alike?

a) Both comprise a nucleus.
b) Both comprise ribosome.
c) Both comprise membrane-bound organelles.
d) Both contain cell-walls.

problem 4: How does DNA code for the proteins in a cell?

a) By making a new double helix structure.
b) By using its phosphate and sugar molecules.
c) By adding extra hydrogen bonds to its structure.
d) By arranging some nitrogen bases of the cell in a specific order.

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  • Category:- Biology
  • Reference No.:- M99025

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