The Ames test ____
a. measures UV exposure
b. detects Salmonella levels
c. found there is a cancer epidemic cause by synthetic chemicals
d. found that most cancer-causing chemicals produce mutations
e. measures the relationship between viral infections and cancer
ANSWER: d
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What temperature is most commonly used for autoclaves to sterilize growth media and other devices prior to experimentation?
A) 95 °C B) 101 °C C) 121 °C D) 140 °C
Which of the phyla of animals has the greatest number of species?
A. Arthropoda B. Chordata C. Mollusca D. Annelida E. Nematoda
In which of the following vessels or chambers is blood relatively high in oxygen?
a. pulmonary artery b. right atrium c. inferior vena cava d. right ventricle e. pulmonary vein
The multiple-factor hypothesis suggests that many factors or genes contribute to the phenotype in a cumulative or quantitative manner
Indicate whether the statement is true or false