Protein Activity and Cellular Metabolism - Quiz - Biology Articles, Tutorials & Dictionary Online

Quiz

Choose the best answer.

1. The strength of ligand-protein binding

Saturation

Affinity

Allosteric modulation

Covalent modulation

2. Which of the following factors influence rates of chemical reactions?

Temperature and catalyst

Activation energy

Reactant concentration

All of the above

3. A substance that binds to the enzyme to activate it

cofactor

another enzyme

nucleic acid

ribosome

4. Which of the following is NOT true about ATP?

It is an energy storing molecule.

It is the primary molecule to which energy is transferred during the breakdown of fuel molecules, carbohydrates, and fats

It is hydrolyzed to release energy for use by the energy-requiring processes in cells

It can fuel active transport across membranes.

5. Which of the following is TRUE about essential nutrients?

Essential nutrients are substances that are not required by the body.

Essential nutrients are substances that can be synthesized readily and adequately by the body.

Water, linoleic, and linolenic acids are nutrients that are not essential.

Vitamins are a group of essential nutrients required in small amounts.

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