The polarity of spindle microtubules is different from that which exists in interphase.
a. true
b. false
Answer: b. false
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The nucleotides within DNA are composed of a
A. phosphate group, ribose sugar, and nitrogenous base. B. sulfur group, ribose sugar, and nitrogenous base. C. phosphate group, deoxyribose sugar, and nitrogenous base. D. sulfur group, deoxyribose sugar, and nitrogenous base. E. phosphate group, hexose sugar, and nitrogenous base.
The oldest known plant is called King's holly. Why is it sterile? a. It has lost the female reproductive structures
b. It has no pollinator. c. It has three sets of chromosomes. d. It has lost the male reproductive structures. e. It has too many of the male and female reproductive structures.
The efferent arterioles transport blood directly into the:a
afferent arterioles. b. Bowman's capsule. c. glomerulus. d. peritubular capillaries. e. renal artery.
An infection which is indigenous to animals but can be transmitted to humans is a _________ infection.
A) passive B) fomite C) zoonotic D) communicable