All proteins consist of _____.

A) DNA molecules
B) RNA molecules
C) triglyceride chains
D) polypeptide chains


Answer: D) polypeptide chains

Biology & Microbiology

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Each immunoglobulin or TCR interacts with a single antigen, but MHC proteins can interact with more than one antigen

Indicate whether the statement is true or false.

Biology & Microbiology

A surge in the level of LH indicates that ________ is about to occur

A) ovulation B) puberty C) the testosterone peak D) the progesterone peak E) menstruation

Biology & Microbiology

Desiccation, a time-honored method of preserving food, is effective because the

A) heat of the process kills microbes. B) freezing step of the process kills microbes. C) salt concentration is too low to support metabolic function. D) UV light used in the process of sun drying penetrates effectively. E) water content is too low to support metabolic function.

Biology & Microbiology

If a new anesthetic were developed that entered the nerve cells efficiently, why would it be important for the substance to be lipophilic (to dissolve in lipids)?

What will be an ideal response?

Biology & Microbiology