An exposure to __________ protects against infection with smallpox.
a. cowpox
b. penicillin
c. chemotherapy
d. bacteria
e. normal microbiota
Ans: a. cowpox
Biology & Microbiology
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Roses are red because of which pigment?
a. anthocyanin b. chlorophyll b c. beta-carotene d. phycoerythrobilin e. chlorophyll a
Biology & Microbiology
The enzyme ?-galactosidase catalyzes what reaction?
A) allolactose ? glucose + lactose B) lactose ? glucose + fructose C) lactose ? galactose + glucose D) glucose ? galactose + lactose E) galactose ? glucose + lactose
Biology & Microbiology
DNA and histones form beadlike globules known as __________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
digests fat
What will be an ideal response?
Biology & Microbiology