Which of the following statements regarding enzymes is FALSE?
A) Enzymes are proteins that function as biological catalysts.
B) Enzymes are highly specific for the molecules to which they attach.
C) The activity of enzymes can be regulated by factors in their environment.
D) Enzymes provide energy for the reactions they catalyze.
E) An enzyme may be used many times for the same specific reaction.
D
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A plant that you are studying has sluggish wound healing abilities as well as an inability to store significant food reserves. You would like to enhance these properties. If you could enhance the growth of a tissue to improve these properties, which tissue would you enhance?
A. Parenchyma of the stem cortex. B. Root apical meristem. C. Periderm. D. Lateral meristem.
The ______ includes all the ocean’s open water.
a. aphotic zone b. photic zone c. benthic zone d. pelagic zone
What is the maximum number of covalent bonds that an oxygen atom with atomic number 8 can make with hydrogen?
A) 1 B) 2 C) 4 D) 6
The ability of glucose to repress the lac operon depends on which effector molecules?
A. cAMP B. allolactose C. starch D. tryptophan E. ADP