About what percent of all the water moving into a
leaf is stored or used in metabolism?
a. 0
b. 2
c. 10
d. 70
e. 90
Answer: b
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The leukocyte responsible for adaptive immunity is the
A. lymphocyte. B. monocyte. C. eosinophil. D. neutrophil.
When blood glucose levels are low
A) Liver cells convert more glucose to glycogen. B) The pancreas releases insulin, which eventually causes blood glucose levels to decrease. C) The pancreas releases glucagon, which eventually causes blood glucose levels to increase. D) The pancreas releases insulin, which eventually causes blood glucose levels to increase. E) The pancreas releases glucagon, which eventually causes blood glucose levels to decrease.
Which endocrine glands are involved in calcium homeostasis?
A) thyroid and parathyroid B) hypothalamus and pituitary C) thyroid and pancreas D) hypothalamus and adrenal gland
A green plant is first grown in blue light and then in green light. The likely outcome for photosynthesis in both phases is
A. Decreased plant growth in blue light and no plant growth in green light. B. No plant growth in blue light and increased plant growth in green light. C. No plant growth in blue light and decreased plant growth in green light. D. Increased plant growth in blue light and no plant growth in green light.