Paired organs, such as the kidneys or lungs, are said to be
A) bivalent. B) bilingual. C) bisexual. D) bilateral.
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Question 2) Vesicles are formed from
A) cell membrane. B) mitochondrial membrane.
C) lysosomal membrane. D) nuclear membrane.
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Question 3) Lipids
A) all of the above.
B) are insoluble in water.
C) contain C, H, and O, but with proportionately less oxygen than in carbohydrates.
D) include phospholipids, cholesterol, and fats.
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Question 4) The functions of skin include
A) all of the above. B) housing sensory receptors.
C) acting as a protective covering. D) regulating body temperature.
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Question 5) A glucose molecule is broken down into two pyruvic acid molecules in
A) gluconeogenesis. B) the electron transport system.
C) glycolysis. D) the citric acid cycle.
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Question 6) Endoplasmic reticulum is best described as a
A) nuclear pore.
B) network of interconnected membranes.
C) cellular inclusion.
D) component of the cytoskeleton.
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Question 7) When the body is placed in the anatomical position, which of the following is not true?
A) The upper limbs are at the sides. B) The palms are facing backward.
C) The body is erect. D) The head is facing to the front.
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Question 8) A simple carbohydrate
A) has only one nucleotide.
B) is a building block of protein.
C) has a molecular formula of C6H12O6.
D) consists of several joined chains.
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Question 9) The melanocytes in very dark skin
A) are more abundant than they are in light skin.
B) lack pigment but shrivel up and turn black.
C) contain many small pigment granules.
D) contain single, large, pigment granules.
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Question 10) Cutaneous membrane refers to
A) mucus. B) cartilage. C) bones. D) skin.
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