Where would you expect to find the plus-end of a microfilament in a crawling cell?
A. near the plasma membrane of the leading
edge of the cell
B. near the plasma membrane of the trailing
end of the cell
C. near the cell center
D. Answers a and b are both correct.
D
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Menstrual flow results in the discharge of:
a. the follicle b. the corpus luteum c. the uterine lining d. surface cells from the vagina e. blood from the blood vessels on the outer surface of the uterus
Secreted in breast milk, what class of antibody helps protect the newborn through neutralization and agglutination of antigen?
A) IgM B) IgE C) IgG D) IgD E) IgA
Athletes are often told to eat starch before a strenuous athletic event. What monomer can be released from starch after hydrolysis, and what is it used for? Because cellulose (fiber) is made of the same type of monomer as starch, why aren't athletes told
to eat fiber before an event? What will be an ideal response?
Which of the following cells has a plasma membrane?
A) an animal cell B) a plant cell C) a fungal cell D) a bacterial cell E. all of the above