You conduct a study with mice to determine whether giving them air with a higher-than-normal oxygen level results in their having a higher-than-normal oxygen content in their blood. What vessel should you draw blood from if you want to measure the
highest potential level of oxygen content in the blood?
A) superior vena cava
B) pulmonary vein
C) pulmonary artery
D) inferior vena cava
Answer: B
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The drug level required for the clinical treatment of a particular infection is called the
A. therapeutic index. B. minimal inhibitory concentration. C. therapeutic dose. D. toxic dose.
Which of the following could use reverse transcriptase to transcribe its genome?
A) ssRNA B) dsRNA C) ssDNA D) dsDNA
Thick filaments are parallel bundles of ____ molecules
a. actin b. tropomyosin c. acetylcholine d. myosin e. troponin
DNA fingerprints used as evidence in criminal trials look like bar codes. The pattern of bands in a DNA fingerprint represents the:
a. order of genes along chromosomes. b. locations of specific genes in a genomic library. c. order of bases in a particular gene. d. presence of fragments of DNA with variable lengths. e. presence of dominant or recessive alleles for particular traits.