The enzyme found in tears that can digest bacterial cell walls is called:a
protease.
b. lysozyme.
c. interferon.
d. cytokine.
e. defensin
B
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A student prepares lysate A from cells with high levels of cAMP and lysate B from cells with very low levels of cAMP. If these lysates were subjected to DNase, it could be predicted that cAMP receptor protein binding sites would be:
A. not present in either lysate. B. protected in lysate A. C. protected in lysate B. D. equally protected in both lysates. E. not occupied in either lysate.
________ is/are quality control regulations that govern procedures for human subject experimentation
A) Good clinical practices (GCPs) B) Quality assurance (QA) C) Preclinical testing D) Good laboratory practices (GLPs) E) Good manufacturing practices (GMPs)
People with lactose intolerance do not have enough ________
A) lactose B) lactase C) glucose D) fructose
Enamel like scales on primitive fish (lungfish and coelocanths)
A) placoid B) ctenoid C) plasmoid D) cosmoid