What is the raw material for photosynthesis?
a. sugar and water
b. sugar and oxygen
c. carbon dioxide and oxygen
d. carbon dioxide and water
Ans: d. carbon dioxide and water
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The CRP-cAMP complex binds the lactose operon when:
A. glucose levels and cAMP levels are high. B. glucose levels are high and cAMP levels are low. C. glucose levels are low and cAMP levels are high. D. glucose levels and cAMP levels are low. E. None of these choices are correct.
These are organism that consume both live plants and animals to fulfill their metabolic requirements in an ecosystem
A) Carnivores B) Primary consumers C) Omnivores D) Herbivores
Which of the following molecules does not act as a second messenger?
a. protein kinase b. IP3 c. DAG d. calcium ions e. cyclic AMP
Before Mendel, most people would have predicted that a cross of a red rose with a yellow rose would
produce ____. A. all red roses B. all yellow roses C. all orange roses D. about half yellow roses and half red roses E. about three-fourths red roses and one-fourth yellow roses