Keratin and silk are examples of ________, whereas glucose and maltose are examples of ________

A) proteins; carbohydrates B) nucleic acids; lipids
C) proteins; lipids D) carbohydrates; proteins


A

Biology & Microbiology

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Generally, membrane filters are not used to remove

A. bacteria from liquids. B. microorganisms from gases. C. spoilage agents from alcoholic beverages. D. enzymes.

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The utricle and saccule are functional parts of

the a. eye. b. Pacinian corpuscle. c. vestibular apparatus. d. nasal epithelium. e. vomeronasal organ

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It is difficult to quantify the consequences of a specific behavioral choice on the probability of survivorship and reproduction

Indicate whether the statement is true or false

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Which statement about the B cells' abilities to produce antibodies is most accurate?

A) There are no B cells until an antigen is encountered. B) Most B cells are capable of producing any kind of antibody. C) B cells wait to encounter an antigen and then copy it. D) There may be 100 million different B-cells, each producing a different antibody. E) B cells don't produce antibodies until they develop in the thymus.

Biology & Microbiology