Which of the following statements concerning phytochrome-induced responses is FALSE?
a. All responses are very rapid and short-term.
b. Red light causes potassium channels to open.
c. The absorption of light by one part of the phytochrome molecule triggers a conformational
change in another part.
d. Phytochrome activates transcription of the gene for a subunit of rubisco.
e. Far-red light causes potassium channels to close.
A
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Converting 1 molecule of glucose to 2 pyruvate molecules generates the net formation of this many ATP during cellular respiration:
A. 6 molecules of water B. 3 molecules of ATP C. 2 molecules of ATP D. 72 - 76 molecules of ATP E. 36 - 38 molecules of water
The class of immunoglobulin transferred from mother to infant during breastfeeding is ________.
A. IgG B. IgD C. IgM D. IgA
The two amino acids depicted above both have side groups (R groups) that are
a. acidic and polar. b. uncharged and nonpolar. c. basic and polar. d. positively and negatively charged and nonpolar. e. uncharged and polar.
DNA methylation and histone acetylation are considered two ________ processes
Fill in the blank(s) with correct word