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TLS Online TPP Program

#Question id: 1048

A virion is composed of

#XL - T Zoology

  1. lipid, protein, and either RNA or DNA.

  2. protein and either RNA or DNA, but no lipid.

  3. protein and both RNA and DNA, but no lipid.

  4. protein, either RNA or DNA, and possibly lipid.

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TLS Online TPP Program

#Question id: 11575

#XL - T Zoology

Fight-or-flight reactions include activation of the ________.
TLS Online TPP Program

#Question id: 11576

#XL - T Zoology

The amino acid tyrosine is a starting substrate for the synthesis of :
TLS Online TPP Program

#Question id: 11577

#XL - T Zoology

If the adrenal cortex were surgically removed, an increase in the plasma levels of ________ would likely be observed.
TLS Online TPP Program

#Question id: 11578

#XL - T Zoology

During a stressful interval, ________.
TLS Online TPP Program

#Question id: 11579

#XL - T Zoology

In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.
TLS Online TPP Program

#Question id: 11580

#XL - T Zoology

Melatonin is secreted by the ________.