Which f the following mutagens is matched correctly with its action?
A) 2-Amino purine is an adduct-forming agent
B) ethidium bromide is an intercalating agent
C) 5-Bromouracil is an alkylating agent
D) acetaldehyde is a free radicle
E) mustard gasses are base analogs
Answer: B
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Larval salamanders eat small insects and crustaceans. These insects and crustaceans are
herbivores. Thus, the salamanders are __________.
a. primary producers b. primary consumers c. secondary consumers d. tertiary consumers
Explain the major difference between daughter cells formed by mitosis and those formed by meiosis. What occurs
when two daughter cells formed during meiosis fuse? What will be an ideal response?
Which property of antibodies is the basis for complement fixation tests?
A) agglutination B) opsonization C) neutralization D) direct killing E) complement activation
Microbes that cause harm to living things are known as: