Severe combined immune deficiency (SCID) is

a. caused by a virus.
b. caused by a bacterium.
c. inherited.
d. caused by a fungus.
e. caused by a parasite.


C

Biology & Microbiology

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Individual monarch butterflies migrate from Canada to Mexico each year

Indicate whether the statement is true or false.

Biology & Microbiology

If a shoot’s tip breaks off, ____ moves into lateral buds and stimulates cell divisions

a. auxin b. gibberellin c. cytokinin d. abscisic acid e. ethylene

Biology & Microbiology

Which of the following foods is not made by fermentation?

A. beer B. bread C. cheese D. orange juice

Biology & Microbiology

Which of the following is not an application of PCR?

A. study of mummies B. study of evolutionary history C. investigation of crime scenes D. detection of a genetic disorder E. treatment of cancer

Biology & Microbiology