Which tissue system of the plant body is largely responsible for photosynthesis?
a. ground tissue system
b. vascular tissue system
c. dermal tissue system
d. primary tissue system
e. secondary tissue system
A
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Sensory neurons are involved in all of the following except:
A. taste. B. vision. C. movement. D. hearing.
Live-bearing reproduction, or viviparity, has apparently evolved ____
a. just three separate times b. about 200 separate times in vertebrates alone c. only in mammals d. only once, although many groups lost it secondarily e. about 15 separate times
During DNA replication, each new strand begins with a short
A. RNA primer. B. lipid primer. C. amino acid primer. D. DNA primer. E. hydrophilic primer.
Which of the following is an iron-binding protein produced by pathogens to access the body's store of iron?
A) gastroferritin B) lactoferrin C) ferritin D) transferrin E) siderophores