Anaphylactic shock can be controlled by an immediate injection of histamine
a. True
b. False
ANSWER: False
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One double-stranded DNA molecule combined with proteins form ____________________, which is visible as
clumps or threads in the cell nucleus. Fill in the blank(s) with the appropriate word(s).
A pedigree is useful because it ________
A) shows the genotype of a particular individual B) can help predict the chances of an offspring displaying a particular trait C) shows the phenotype of one individual D) can look at multiple traits at one time
During contraction of your arm muscle:a
the I band shortens. b. the H zone shortens. c. the A band shortens. d. the I band and the H zone shorten. e. the I band, the H zone, and the A band all shorten.
Which of the following is a function of the vertebrate liver?
A) combining ammonia and carbon dioxide to form urea B) synthesizing ammonia from uric acid C) excreting urea D) producing urea from uric acid and carbon dioxide