All proteins consist of _____.
A) DNA molecules
B) RNA molecules
C) triglyceride chains
D) polypeptide chains
Answer: D) polypeptide chains
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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.
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
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.
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?