What are second messengers? Choose the correct option
A) Molecules that activate additional enzymes in the cytosol
B) Voltage-gated ion channels
C) Peptide neurotransmitters
D) Special proteins that span a 3-nm gap between two cell membranes
Ans: A
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Which of the following sensory organs is not for balance?
A) cochlea B) semicircular canal C) utricle D) saccule
The change from a skill-based focus to an information-based focus has been the main purpose of the NHES.
Answer the following statement true (T) or false (F)
The daily protein requirement for an elite athlete is approximately
A) 1.6 grams per kilogram of body weight. B) 0.05 grams per kilogram of body weight. C) 2.2 grams per kilogram of body weight. D) 0.8 grams per kilogram of body weight.
A malignant (cancerous) tumor of flesh tissue is:
a. carcinoma b. sarcoma c. neuroma d. hepatoma e. nephroma