Excess UV light depletes the body of which vitamin?

a. folate
b. vitamin A
c. vitamin C
d. vitamin D
e. vitamin E


a

Biology & Microbiology

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Cyanide binds and impairs one of the molecules involved in the production of ATP. Which organelle does cyanide act upon?

A. peroxisome B. lysosome C. ribosome D. endoplasmic reticulum E. mitochondria

Biology & Microbiology

During Mendel's time, a widely accepted theory called ____ suggested that evolution occurred in spurts rather than by

gradual change.

a. catastrophism b. uniformitarianism c. mutationism d. natural selection e. genetic transformation

Biology & Microbiology

With what do cytotoxic cells interact?  

A.  MHC-I proteins B.  MHC-II proteins C.  foreign antigen D.  MHC-I and MHC-II proteins E.  MHC-I proteins and foreign antigens

Biology & Microbiology

Briefly describe the shift in rainfall patterns and the consequences that occurred during the 1997-1998 El Niño season. What will be an ideal response?

Biology & Microbiology