The last pigment to receive the electrons knocked loose by sunlight is __________.

a. xanthophyll
b. chlorophyll b
c. chlorophyll a
d. carotene


Answer: c. chlorophyll a

Biology & Microbiology

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Processes that supply ATP, reducing power, and precursor metabolites are collectively referred to as ________ reactions.

A. synthetic B. generating C. redox D. fueling

Biology & Microbiology

Which of the following statements about allosteric control of enzymatic activity is true?

A. Allosteric proteins are generally composed of a single protein. B. Heterotropic allosteric effectors compete with substrate for binding sites. C. Homotropic allosteric effectors compete with product for binding sites. D. Allosteric effectors enhance the hyperbolic nature of V0 versus [S] kinetic plots. E. Allosteric effectors give rise to the sigmoidal nature of V0 versus [S] kinetic plots.

Biology & Microbiology

____________________ are organic molecules that include simple sugars, starches, glycogens, and celluloses. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

The beginning of each gene in DNA is marked by the presence of a base sequence that RNA polymerase can attach to. This is called the ________

Fill in the blank(s) with correct word

Biology & Microbiology