Which animal has a lung with a single lobe?
a. rattlesnake
b. American toad
c. crow
d. shrew
A
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If a stretch of human double stranded DNA contains 47% G and C bases, then ____
a. it contains 47% A and T bases b. there are more pyrimidines than purines c. there are more purines than pyrimidines d. it contains 53% A and T bases
e. there are no genes in this stretch of DNAA gene that codes for a protein that codes for a function other than gene regulation is a
1.regulatory gene. 2.constitutive gene. 3.structural gene. 4.RNA gene. 5.repressed gene.
Which of the following could result in the wrong patient diagnosis and improper treatment?
A) using a cotton tip swap to collect a suspected pathogen B) carefully sampling only the site in question without touching other body structures or surface sites C) wearing gloves D) quickly sealing samples in containers E) proper hand washing before and after specimen collection
A wide variety of microorganisms are commercially used to manufacture ________ for human consumption.
A. vitamins B. fatty acids C. sugars D. None of the choices are correct.