Biology Quiz

What is homeostasis?

• The process of cell division.

• The maintenance of a stable internal environment.

• The breakdown of glucose.

• The production of ATP.

What is the primary function of ATP in the body?

• To store genetic information.

• To provide energy for cellular processes.

• To act as a structural component of cells.

• To transport oxygen in the blood.

What is the role of acetyl CoA in metabolism?

• It acts as a neurotransmitter.

• It is a precursor for protein synthesis.

• It is a key molecule in the Krebs cycle.

• It stores energy in the form of fat.

What is the primary take-home message about protein usage for energy production?

• Proteins are the main source of energy.

• Proteins are rarely used for energy unless necessary.

• Proteins are converted directly into glucose.

• Proteins are stored as fat for energy.

What is the role of beta oxidation in metabolism?

• It breaks down carbohydrates.

• It converts proteins into amino acids.

• It breaks down fatty acids to produce ATP.

• It synthesizes nucleic acids.

What is the difference between work and power in physical measurements?

• Work is the rate of energy transfer, power is the total energy transferred.

• Work is the total energy transferred, power is the rate of energy transfer.

• Both are measures of energy but in different units.

• Both are measures of force but in different units.

Why are NADH and FADH important?

• They store energy

• They transport electrons

• They break down proteins

• They synthesize lipids

How many ATP are made by one reaction in an immediate energy system?

• 1 ATP

• 2 ATP

• 3 ATP

• 4 ATP

What is the process of glycogenolysis?

• Formation of glucose from non-carbohydrates

• Breakdown of glycogen to glucose

• Conversion of glucose to glycogen

• Synthesis of fatty acids

Which enzymes are highlighted in the phosphocreatine system?

• Creatine kinase

• Hexokinase

• Lactate dehydrogenase

• Pyruvate kinase