MCQ Collection
MDCAT Biology MCQs
Practice MDCAT Biology questions with answers and explanations.
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Correct Answer: D. Provide energy and structural support
Explanation:
Carbohydrates include sugars, starches, glycogen, and cellulose.
They serve both energy and structural roles.
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Correct Answer: A. Provide energy and structural support
Explanation:
Carbohydrates include sugars, starches, glycogen, and cellulose.
They serve both energy and structural roles.
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Correct Answer: B. Provide energy and structural support
Explanation:
Carbohydrates include sugars, starches, glycogen, and cellulose.
They serve both energy and structural roles.
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Correct Answer: C. A single sugar unit
Explanation:
Monosaccharides are the simplest carbohydrates.
Glucose, fructose, and galactose are examples.
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Correct Answer: D. A single sugar unit
Explanation:
Monosaccharides are the simplest carbohydrates.
Glucose, fructose, and galactose are examples.
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Correct Answer: A. A single sugar unit
Explanation:
Monosaccharides are the simplest carbohydrates.
Glucose, fructose, and galactose are examples.
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Correct Answer: B. Glucose
Explanation:
Glucose is oxidized during cellular respiration.
Its energy is transferred to ATP.
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Correct Answer: C. Glucose
Explanation:
Glucose is oxidized during cellular respiration.
Its energy is transferred to ATP.
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Correct Answer: D. Glucose
Explanation:
Glucose is oxidized during cellular respiration.
Its energy is transferred to ATP.
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Correct Answer: C. Small independently replicating DNA molecules in many bacteria
Explanation:
Plasmids often carry accessory genes such as antibiotic resistance.
They can sometimes move between cells.
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Correct Answer: C. Formation of a bond by removal of water
Explanation:
Dehydration reactions join monomers into larger molecules.
A water molecule is released during bond formation.
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Correct Answer: D. Small independently replicating DNA molecules in many bacteria
Explanation:
Plasmids often carry accessory genes such as antibiotic resistance.
They can sometimes move between cells.
