Lignin is a polymer composed of monomers derived from amino acids
____________________ Indicate whether the statement is true or false.
T
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In general, when cytosine bases in CpG islands are methylated:
A. transcription is active and rapid. B. transcription is active, but slow. C. transcription is repressed. D. translation is active and rapid. E. translation is repressed.
What do all fungi have in common?
a. flagellated gametes b. compacted hyphae c. chitinous cell walls d. diploid zygospores
Oxygen-poor blood is carried from the heart of a mammal to the lungs via the
A) pulmonary arteries. B) pulmonary veins. C) superior vena cava. D) inferior vena cava.
If 90 molecules of CO2 are fixed by ribulose bisphosphate (RuBP), how many molecules of phosphoglyceraldehyde (PGAL) will leave the Calvin cycle?
What will be an ideal response?