Practice Questions

A specific type of protein that functions by binding to specific molecules (ligands) to trigger a cellular response is a:

A. Enzyme

B. Structural protein

C. Receptor ✓

D. Transport protein

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The overall process of all chemical reactions occurring in an organism, involving both anabolic and catabolic pathways, is known as:

A. Homeostasis

B. Metabolism ✓

C. Respiration

D. Digestion

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A patient with symptoms of scurvy (bleeding gums, poor wound healing) is deficient in Vitamin C. Vitamin C is essential for the synthesis of:

A. Hemoglobin

B. Collagen ✓

C. DNA

D. Glycogen

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The process of breaking down large protein molecules into smaller peptides and then into individual amino acids is called:

A. Glycolysis

B. Lipolysis

C. Proteolysis ✓

D. Nucleolysis

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A lipid that is synthesized in the smooth endoplasmic reticulum and serves as the primary form of energy storage in adipose tissue is:

A. Phospholipid

B. Cholesterol

C. Triglyceride ✓

D. Fatty acid

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The pH of a solution can be precisely measured using a:

A. Thermometer

B. Spectrophotometer

C. pH meter ✓

D. Microscope

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A carbohydrate that serves as a structural component of plant cell walls and is largely indigestible by human enzymes is:

A. Starch

B. Glycogen

C. Cellulose ✓

D. Sucrose

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The net gain of ATP molecules from one molecule of glucose during anaerobic glycolysis is:

A. 2 ATP ✓

B. 4 ATP

C. 30?32 ATP

D. 0 ATP

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The specific region on an enzyme where the substrate binds and catalysis occurs is called the:

A. Allosteric site

B. Regulatory site

C. Active site ✓

D. Binding domain

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A deficiency in Folic Acid can lead to megaloblastic anemia. Folic acid is a crucial vitamin for:

A. Blood clotting

B. DNA synthesis and cell division ✓

C. Vision

D. Bone health

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Practice Questions

A specific type of protein that functions by binding to specific molecules (ligands) to trigger a cellular response is a:

The overall process of all chemical reactions occurring in an organism, involving both anabolic and catabolic pathways, is known as:

A patient with symptoms of scurvy (bleeding gums, poor wound healing) is deficient in Vitamin C. Vitamin C is essential for the synthesis of:

The process of breaking down large protein molecules into smaller peptides and then into individual amino acids is called:

A lipid that is synthesized in the smooth endoplasmic reticulum and serves as the primary form of energy storage in adipose tissue is:

The pH of a solution can be precisely measured using a:

A carbohydrate that serves as a structural component of plant cell walls and is largely indigestible by human enzymes is:

The net gain of ATP molecules from one molecule of glucose during anaerobic glycolysis is:

The specific region on an enzyme where the substrate binds and catalysis occurs is called the:

A deficiency in Folic Acid can lead to megaloblastic anemia. Folic acid is a crucial vitamin for:

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