A reagent that stains the stored food of a green alga black is
(a) India ink.
(b) I2KI.
(c) methylene blue.
(d) both a and b.
(b) I2KI.
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A mutagen that inserts between the stacked bases of a DNA double helix, distorting the DNA to induce single-pair insertions or deletions is called a(n) ________ agent.
A. distortional B. interspersing C. insertional D. intercalating
What are two of the characteristics of water that make it so important in living organisms?
What will be an ideal response?
If a mammal is born without the ability to produce EGF (epidermal growth factor), then its
A) ability to increase cell division when needed would diminish. B) Cdks will not function properly. C) cell cycles will not contain the proper checkpoints. D) licked wounds will heal faster than usual.
Which statement is true of all algae?
a. They are seaweeds. b. They are unicellular. c. They are in the same supergroup as land plants. d. They are photosynthetic. e. They are closely related to diatoms.