At the end of glycolysis, the carbon molecules originally found in the starting glucose molecule are in the form of:
A. one pyruvate molecule.
B. two pyruvate molecules.
C. two ATP molecules.
D. two NADH molecules.
E. four ATP molecules.
B
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Which of the following are chemical compounds (or proteins) produced by plants that interfere with an herbivores' ability to break down proteins? Select all correct choices
A. protease inhibitors B. phenols C. alkaloids D. terpenes
Which feature is an adaptation by desert plants that help them conserve water? a. Thin needle like leaves b. Thick leaves c. None of these would help conserve water
d. Leaf position that is parallel to the sun's rays e. All of these are adaptations.
Movement of soluble organic material through sieve
tube members occurs through a. translocation. b. active transport. c. cohesion-tension. d. transpiration. e. facilitated transport.
Which of the following structures shorten during muscle contraction?
(a) myosin filaments (b) flagella (c) sarcomeres (d) actin filaments