A vaccine works by ________
A) inhibiting bacterial reproduction
B) stimulating the immune system to develop lasting defenses
C) killing cells infected with a virus
D) preventing translation of mRNA molecules that code for disease-causing proteins
B
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A two-component regulatory system usually involves both the sensor and response proteins being subject to phosphorylation
Indicate whether the statement is true or false.
Which of the following is false about Sargassum?
a. It is in the division Rhodophyta. b. Some species are pelagic. c. It is common in the Gulf Stream. d. It is buoyed by pnuematocysts. e. It forms a habitat for animals.
Your ________ is a measure of your impact on the environment based on the amount of greenhouse gases you emit
Fill in the blank(s) with correct word
The most prevalent type of antibody in the blood is
A) IgD. B) IgM. C) IgA. D) IgG. E) IgE.