The cuticle helps a plant conserve water by ____.?
a. covering the stomata
b. reducing a plant’s capacity for photosynthesis
c. absorbing visible light
d. restricting the amount of water a plant’s root absorbs
e. restricting the amount of water vapor that diffuses out of aboveground parts.
Answer: e. restricting the amount of water vapor that diffuses out of aboveground parts.
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What is one of the benefits of genetic engineering of plants?
A.) reduced diversity among crop plants B.) increased allergies to plants and pollen C.) elimination of natural crop pollinators D.) enhanced disease resistance in crops
Nucleotides have important function in cells as
a. building blocks for nucleic acids. b. carriers of chemical energy. c. intracellular signal molecules. d. All of the above
At the end of gastrulation, the ectoderm makes up the
A) lining of the embryonic digestive tract. B) outer layer of the gastrula. C) inner layer of the gastrula.
Proteins within the membrane are the _____ portion.
Fill in the blank(s) with the appropriate word(s).