A _______ membrane lines tubes and cavities that open to the outside of the body.
A) synovial B) mucous C) serous D) cutaneous
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Question 2) An anatomical section that separates the body into right and left portions is a
__________ section.
A) coronal B) sagittal C) frontal D) transverse
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Question 3) Which of the following correctly describes the structural organization of the cell
membrane?
A) Rigid layers of protein molecules in which carbohydrate molecules are suspended
B) A solid, rigid layer of phospholipid with loosely bound protein molecules
C) Three layers; lipid on the inside, protein in the middle, and carbohydrates (and
polysaccharides) on the outside
D) A bilayer of phospholipid molecules in which protein molecules are embedded and
can move
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Question 4) The anaerobic reactions of cellular respiration take place in the
A) mitochondria. B) nucleus.
C) cytoplasm. D) ribosomes.
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Question 5) Oxidation during cellular respiration differs from burning in that respiration
A) requires a relatively large amount of energy to start the process.
B) releases more energy as heat and light.
C) doesn't use enzymes to lower the activation energy.
D) uses enzymes to lower the activation energy.
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Question 6) Epithelial membranes are typically composed of
A) connective tissue and underlying epithelium.
B) epithelium and underlying muscle tissue.
C) epithelium and underlying connective tissue.
D) connective tissue and underlying muscle tissue.
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Question 7) One characteristic that centenarians share is
A) a high level of exercise throughout life.
B) never having smoked.
C) following the Mediterranean diet.
D) long-lived relatives.
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Question 8) The secondary structure of a protein molecule is the result of
A) covalent bonds. B) oxygen double bonds.
C) ionic bonds. D) hydrogen bonds.
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Question 9) The subcutaneous layer consists of
A) adipose tissue and skeletal muscle tissue.
B) epithelial tissue.
C) epithelial tissue and areolar tissue.
D) areolar and adipose tissue.
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Question 10) What is the function of ATP molecules in living cells?
A) They capture energy from the oxidation of fuels in their high-energy phosphate
bonds, and the energy is used in various cell processes.
B) They act as coenzymes so that fats can be synthesized.
C) They form a genetic material.
D) They are an integral part of the cell membrane, important in transporting water
molecules.
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