The size of a muscle can be increased by ____
a. increased muscle cell division
b. addition of muscle companion cells
c. addition of muscle companion cells
d. synthesis of new protein filaments
e. overproduction of myostatin
ANSWER: d
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In the root apical meristem, __________ supports division of undifferentiated meristem cells, and cytokinin signals
the cells to differentiate. Fill in the blank(s) with the appropriate word(s).
The concentration of an antimicrobial drug that is reached in the body will depend on ________.
A. the rate at which the drug is cleared or eliminated from the body B. the amount of drug administered C. the route of administration and speed of uptake D. All of the choices are correct.
How do new viruses arise?
a) mutation of existing viruses b) not taking all your antibiotics c) spread to new host species d) all of the above e) only a and c
Answer the following questions true (T) or false (F)
1. Individuals more susceptible to fungal disease, such as AIDS patients, may be placed on antifungal medication as a preventive measure. 2. Mosquitoes that bite an infected patient take up sporozoites, which goes through another growth cycle that culminates in the formation of the gametocytes that can perpetuate the infection cycle in another human. 3. More than half of new infectious diseases in humans emerged due to expanded host tropism by the infectious organism.