This protein requires iron as a cofactor.
a. Keratin
b. Hemoglobin
c. Actin
d. Insulin
e. Pepsin
Ans: b. Hemoglobin
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A(n) ________ gene is a gene that encodes a protein that is easy to detect and assay
A) encoder B) translational C) reporter D) recorder
The hypothesis that organic molecules formed near the Earth's surface in pools of water is called the:a
clay hypothesis. b. iron-sulfur world hypothesis. c. iron-clay hypothesis. d. organic broth hypothesis. e. prebiotic soup hypothesis
Judah Folkman used which experimental model system to explore the relationship between tumor growth and angiogenesis?
A) a rabbit eye B) the colon C) bone marrow D) mouse skin E) in vitro cells
The "common cold" is so common because
A. no immunity to the virus develops. B. the highly variable parainfluenza virus causes colds. C. a large number of coronaviruses cause it. D. over 100 strains of rhinovirus cause colds. E. 100+ strains of Rhinovirus and several other types of virus cause "colds."