There are over 11,500 species of these protists that have ornate, glass-like shells.
A) radiolarians
B) foraminiferans
C) dinoflagellates
D) diatoms
Answer: D) diatoms
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The loss of CD4 T-helper cells leads to the overt consequences of an HIV infection
Indicate whether the statement is true or false.
Chlorosis in plants is a condition best explained by:
A. lack of water. B. lack of certain minerals. C. lack of oxygen. D. lack of carbon dioxide. E. lack of soil moisture.
A proton ________ drives the protons out across the mitochondrial membrane into the intermembrane space.
Fill in the blank(s) with the appropriate word(s).
At a party, one of your friends has just revealed that he and his wife are trying to conceive. What do you advise him to avoid at the party?
A. The hot tub B. The loud music C. The raw vegetable appetizers D. The melted cheese fondue