The generally accepted explanation for the
movement of organic compounds in phloem is
a. the cohesion-tension theory.
b. the pressure flow theory.
c. active transport.
d. the transpiration-pull theory.
e. root pressure.
Answer: b
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Which term would be the best synonym for the word nutrient?
A. Minerals B. To love C. Food D. Genetic trait
Which of the following features are necessary to classify a plant as a monocot?
A. The plant will contain one cotyledon, have vascular bundles in a distinct ring, and the flowers will be in multiples of threes. B. The plant will contain one cotyledon, have a netted vein pattern in the leaves, and the flowers will be in multiples of threes. C. The plant will contain one cotyledon, have parallel veins in the leaves, and the flowers will be in multiples of fours or fives. D. The plant will contain one cotyledon, have parallel veins in the leaves, and the flowers will be in multiples of threes. E. The plant will contain two cotyledons, have parallel veins in the leaves, and the flowers will be in multiples of threes.
Which type of covalent bond allows for rotation about the bond axis?
A.) single B.) triple C.) double D.) hydrogen
The molecule that binds to the active site of an enzyme is called the allosteric inhibitor.
a. true b. false