A gene that is knocked out is _____
a. deleted
b. inactivated
c. expressed
d. deleted or inactivated
D
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Picrophilus has a pH optimum below 1 and can even grow at or near pH 0.
Answer the following statement true (T) or false (F)
The Staphylococcaceae staphylococcus that is more likely to cause uncomplicated urinary tract infections in nonhospitalized hosts, especially sexually active young women, is:
a. S. saprophyticus. b. S. aureus. c. S. epidermidis. d. S. intermedius.
Which are the first to attack cancer cells and virus-infected cells?
A. cytotoxic T-cells B. suppressor T-cells C. delayed hypersensitivity T-cells D. helper T-cells E. natural killer (NK) cells
Fats are usually of animal origin, while oils are usually of plant origin.
Answer the following statement true (T) or false (F)