Members of the genus Thermoactinomyces
A. are commonly found in damp haystacks and compost piles.
B. are thermophiles.
C. produce spores on its hyphae.
D. All of the choices are correct.
Answer: D
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Microsporangia in flowering plants are located in the _____
A) stamen B) carpel C) petals D) sepals E) receptacle
The T cell receptor is comprised of
A. a gamma protein chain. B. a delta protein chain. C. alpha and beta protein chains. D. All of the choices are correct.
A triploid plant has
a. one extra chromosome. b. one extra set of chromosomes. c. three chromosomes. d. three times the chance of surviving that a monoploid has. e. None of the above
Approximately what percentage of the known biodiversity on Earth is composed of plants?
A. 6-8% B. 50-55% C. 16-19% D. 63-67% E. 12-15%