Commercial utilization of microbial products has become increasingly popular due to their environmentally friendly nature. Production of these products which are readily degraded and, thus, non-toxic typically utilizes
A) enzymes.
B) organic acids.
C) organic solvents.
D) soap.
E) alcohol.
A
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Fever enhances an immune response by ____
a. decreasing the rate of enzyme activity b. increasing phagocytosis of invading pathogens c. reducing blood flow to the site of infection d. decreasing the reproduction rate of microorganisms e. increasing heart rate and respiration
Modern humans evolved about
a. 200,000 years ago. b. 2,000,000 years ago. c. 2,000,000,000 years ago. d. 4,600,000,000 years ago.
The student who caught the cold caused by this specific Rhinovirus was exposed to the exact same Rhinovirus 18 months later. What component of the immune system will protect her from getting the same cold again?
a. Plasma cells b. Antibodies that are "left over" from the last infection c. Dendritic cells d. Memory B cells
The success rate for a kidney transplant from even a relative is fairly low.
Answer the following statement true (T) or false (F)