Refer to the accompanying figure. The function of the structure labeled as 6 is to:
a. secrete an alkaline fluid that neutralizes the acids of the vagina.
b. produce a nutritive fluid for the sperm.
c. provide a place for maturation and storage of sperm.
d. secrete mucus that lubricates the penis.
e. maintain sperm at a low body temperature
c
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Colonial animals called moss animals (due to their white encrustations or fuzzy growths) are:
a. phoronids. b. bryozoans. c. brachiopods. d. anemones. e. hydroids.
When a patient's immune system reacts adversely to a drug, this serious side effect is called a superinfection.
Answer the following statement true (T) or false (F)
Attachment of herpesviruses results in ________, a process in which the host cell facilitates viral entry
A) direct penetration B) membrane fusion C) endocytosis D) exocytosis E) lysogeny
A pressurized airplane cabin and an oxygen tent over a patient in a hospital both impact the respiration rate of a person. How do these compare?
A. Both use the same mechanism to force hemoglobin to increase affinity for oxygen. B. The oxygen tent increases concentration of O2 while the airplane maintains total air pressure without changing concentrations. C. The oxygen tent and the airplane increase the air pressure to increase the PCO2. D. The oxygen tent and airplane cabin pressure lowers the partial pressures for normal breathing.