Which of the following chromosomal
conditions is treated with testosterone
injections?
a. XXX
b. trisomy 21
c. XO
d. XXY
e. XYY
D
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The special structure in which some actinomycetes form their spores is called a ________.
A. conidium B. basidium C. sporatorium D. sporangium
Probably the most abundant carbohydrate on Earth, which unbranched chain of b-glucose subunits is the primary
structural fiber in plant cell walls?
a. chitin b. amylopectin c. cellulose d. glycogen e. amylose
Enzymes aid in metabolism by
a. changing the ?G of the reaction. b. adding additional reactants to the system. c. slowing the rate of some reactions and increasing the rate of other reactions. d. increasing the rate of a reaction. e. removing unused reactants from the system.
Which of the following is often used to congeal jams and jellies?
a. lignin b. hemicelluloses c. pectin d. cellulose e. chitin