A triploid plant is usually ____ because chromosomes cannot segregate properly during ____
a. not viable; mitosis
b. sterile; meiosis
c. sterile; mitosis
d. not viable; meiosis
e. not viable; spore formation
ANSWER: b
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Only a small amount of ATP is produced during glycolysis because most of the energy stored in a glucose molecule remains in the bonds of
A. PGAL. B. NADH. C. pyruvate. D. carbon dioxide. E. CO2.
The primary function of spongy mesophyll is:
a. photosynthesis. b. transpiration. c. to allow diffusion of gases. d. transport of substances. e. transport of water.
The ability to control these processes may allow manipulation of an organism's cells or insertion of cells into an organism to allow the regrowth of damaged tissues and organs in humans.
A. vector and somatic cell transformation B. mitosis and meiosis C. determination and differentiation D. transformation and transduction
A researcher has developed two stains for use with seed plants. One stains sporophyte tissue blue; the other stains gametophyte tissue red
If the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? A) The pollen grains will be pure red. B) The pollen grains will be pure blue. C) The pollen grains will have red interiors and blue exteriors. D) The pollen grains will have blue interiors and red exteriors.