This protein requires iron as a cofactor.

a. Keratin
b. Hemoglobin
c. Actin
d. Insulin
e. Pepsin


Ans: b. Hemoglobin

Biology & Microbiology

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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

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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

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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

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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."

Biology & Microbiology