Conformational changes within a protein molecule are NOT seen in the following function:
A) muscular contraction
B) binding of calcium to myosin
C) opening or closing of a membrane channel
D) interactions between GroEL and GroED
E) binding of a substrate to an enzyme
Ans: B) binding of calcium to myosin
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_____ ferns. _____ mosses. _____ horsetails. _____ liverworts. _____ conifers. _____ oak trees.
The sodium-potassium pump is a trans-membrane protein.
a. true b. false
A medical researcher is trying to develop a diagnostic technique for a disease that is characterized by replication of a particular chromosomal region. What would be the most appropriate technique?
A. white blood cell count B. FISH C. gene chip D. genome sequencing
Bordetella pertussis causes disease by
A. the development of pneumonia. B. interfering with the action of the ciliated epithelial cells of the trachea. C. suppressing the production of mucus by the respiratory lining. D. forming a pseudomembrane that obstructs the larynx. E. irritating the diaphragm, which leads to severe coughing attacks.