Linus Pauling demonstrated that:a
the structure of hemoglobin was altered by a mutation of a single gene.
b. mutations only caused defects in enzymes.
c. mutations alter the structure of RNA, but not proteins.
d. mutations were inherited.
e. the structure of hemoglobin was altered by mutations in any of a dozen genes.
a
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Pericardial fluid may be inoculated in blood culture broth and processed as a blood culture, provided the broth contains which anticoagulant?
a. Heparin b. Ethylenediaminetetraacetic acid (EDTA) c. Citrate d. Coumadin
The body's "thermostat" is located in the
a. heart. b. spinal cord. c. thalamus. d. hypothalamus. e. cerebellum.
When your mother is mad at you, she likes to remind you that she spent 48 hours in painful labor to bring you into the world! Specifically, she means that she spent a long time in the ________ stage of labor
A) expulsion B) dilation C) third trimester D) placental
The cilia and flagella of eukaryotic cells are composed of _____.
a) pili b) tonofilaments c) microfilaments d) intermediate filaments e) microtubules