The nematode Caenorhabditis elegans is important to human medicine because:

A. It causes elephantiasis, a disease of the lymph glands that causes the legs of humans to swell.
B. It is an intestinal parasite in human digestive tracts.
C. It has programmed cell death and therefore is useful in cancer and AIDS research.
D. It causes an infection that produces severe anal itching.
E. It is transmitted by mosquitoes and causes high fevers.


C. It has programmed cell death and therefore is useful in cancer and AIDS research.

Biology & Microbiology

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At which latitude would we expect to see the greatest species diversity?

a. 30 degrees South b. 30 degrees North c. 0 degrees d. 90 degrees North

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a. must be replenished each day. b. are destroyed by heat. c. include vitamins B and C. d. are not stored in the body. e. fit all of these descriptions.

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Yogurt contains galactose and glucose, which are generated when bacterial enzymes act on milk sugars. What is the main source of the galactose in yogurt?

A. Sucrose B. Fructose C. Maltose D. Lactose E. Glycogen

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Sulfate and sulfite reductions carried out by Desulfovibrio and related microorganisms are assimilatory processes.

Answer the following statement true (T) or false (F)

Biology & Microbiology