When a sucrose molecule is decomposed to yield a glucose molecule and a fructose
molecule,
A) dehydration synthesis occurs. B) a water molecule is used.
C) a water molecule is released. D) starch is consumed.
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Question 2) Which type of tissue lines the follicles of the thyroid glands?
A) Stratified cuboidal epithelium B) Simple cuboidal epithelium
C) Glandular epithelium D) Simple squamous epithelium
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Question 3) Homeostasis exists if concentrations of water, nutrients, and oxygen in the body are
balanced and heat and pressure __________.
A) remain within certain limited ranges
B) increase when the body is stressed
C) decrease steadily
D) fluctuate greatly between very high and low values
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Question 4) The first electron shell of an atom can hold a maximum of
A) 1 electron. B) 4 electrons. C) 8 electrons. D) 2 electrons.
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Question 5) In dehydration synthesis of a carbohydrate,
A) the molecule is decomposed into carbon dioxide and water.
B) monosaccharides are joined.
C) larger molecules are decomposed into smaller ones.
D) water molecules bond to monosaccharide molecules.
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Question 6) Which of the following must the human body obtain from the environment in order to
survive?
A) Water B) Wastes
C) Carbon dioxide D) Nitrogen
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Question 7) The atoms of the isotopes of a particular element vary in the number of
A) protons. B) nuclei. C) neutrons. D) electrons.
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Question 8) About 90 of all cancers originate from
A) connective tissue. B) muscle tissue.
C) nervous tissue. D) epithelium.
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Question 9) A blood clot stimulating further clotting is an example of
A) a process turning itself off. B) nervous system communication.
C) a positive feedback mechanism. D) a negative feedback mechanism.
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Question 10) The atomic weight of an element whose atoms contain 8 protons, 8 electrons, and 8
neutrons is
A) 16. B) 24. C) 32. D) 8.
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