The CAM pathway ____
a. involves only the Calvin-Benson cycle
b. involves only the C4 cycle
c. is used by plants in humid regions
d. is also known as photorespiration
e. needs day and night for completion
ANSWER: e
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Which of these is not a characteristic of Turner syndrome?
A) underdeveloped ovaries B) short stature C) some learning difficulties D) web of skin between neck and shoulders E) XX genotype
Stabilizing selection tends to _____ (select all that apply)
a. eliminate extreme forms of a trait b. favor extreme forms of a trait c. eliminate intermediate forms of a trait d. favor intermediate forms of a trait
The K in the term K-strategist refers to
A) intrinsic rate of growth. B) kill rate. C) fecundity. D) carrying capacity.
A son is born with Kleinfelter's syndrome and hemophilia. His father was normal and his mother was a carrier for the recessive X-linked blood clotting disorder. What occurred in meiosis to produce this genetic outcome?
A) nondisjunction in meiosis I of the mother B) nondisjunction in meiosis I of the father C) nondisjunction in meiosis II of the father D) nondisjunction in either meiosis I or meiosis II of the mother E) nondisjunction in meiosis II of the mother