A type of cofactor would be ________.
A. active sites
B. substrates
C. metallic ions
D. vitamins
E. ribozymes
Answer: C
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Phytochrome is a light receptor that influences:
A. stomata opening and closing B. leaf drop C. stem elongation D. active transport in cell membranes E. flowering
Four of the five answers listed below are lipids. Select the exception
a. triglyceride b. wax c. phospholipid d. amino acid e. steroid
What process is responsible for the flow of water through a plant, from the soil to the leaves?
A) translocation B) transpiration C) respiration D) internal pumping
The therapeutic range of an antimicrobial is the
A) ratio of the dose a patient can tolerate to the effective dose. B) range of microorganisms the antimicrobial effects. C) range of concentrations at which the antimicrobial is both effective and non-toxic. D) ratio of the concentration of antimicrobial in the blood to the oral dose. E) length of time the medication persists in the body after a single dose.