The dominant plants in modern times are the ________ due to their relationship with animal pollinators.
A. angiosperms
B. gymnosperms
C. club mosses
D. ferns
Answer: A
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The designer of the first transmission electron microscope, ________, was awarded the 1986 Nobel Prize in physics.
Fill in the blank(s) with the appropriate word(s).
What are leaf veins?
a. vascular bundles of leaves b. photosynthetic cells of leaves c. sclerenchyma cells of leaves d. palisade mesophyll of leaves e. spongy mesophyll of leaves
A person goes to the doctor and is told his blood pressure is 90/60 and his pulse is 80. Which of the following is FALSE?
A) Mean arterial pressure is 70 mm Hg. B) Diastolic pressure is 60. C) Systolic pressure is 90 mm Hg. D) Pulse pressure is 80 mm Hg. E) Heart rate is 80.
What greatly increases the interior surface area of mitochondria?
a. centrioles b. microfilaments c. cristae d. the matrix