Restriction factors in the reproductive tract
A. provide an innate protective effect against viral infection.
B. adjust the pH of the mucosa and are modified during sexual maturation.
C. are enzymes that hydrolyze the phosphodiester bond in DNA.
D. appear to derive from unculturable microbes in the normal microbiota.
Answer: A
You might also like to view...
All of the following are components of nonspecific immunity EXCEPT
A. skin. B. phagocytes. C. complement. D. lysozyme. E. B cells.
____________ is the study of how behavior contributes to the differential survival and reproduction of organisms.
A. Behavior B. Behavioral Ecology C. Evolution D. Population Ecology E. Community Ecology
Cervical cancer
a. kills about 3,600 U.S. women each year. b. can affect young women. c. death occurs more often in women who have not had a Pap smear. d. can be caused by genital HPV. e. includes all of these
Which of the following is produced via the process of cellular respiration?
a. oxygen. b. light. c. food molecules. d. sugars. e. carbon dioxide.