An action potential releases neurotransmitter from a neuron by opening which of the following channels?
A. Voltage-gated Na+ channels
B. Voltage-gated K+ channels
C. Voltage-gated Ca2+ channels
D. Chemically gated Ca2+ channels
Answer: C. Voltage-gated Ca2+ channels
Anatomy & Physiology
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If your doctor notices a marked decrease in calcium ion levels in your blood, what gland might he suspect is not functioning properly and why?
What will be an ideal response?
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What is the hereditary material of the cell?
a. RNA b. protein c. DNA d. lipid
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Primary active transport is driven by secondary active transport.
Indicate whether the statement is true or false
Anatomy & Physiology
What characteristic differentiates cardiac muscle cells from skeletal muscle cells?
A) striations B) excitability C) sarcoplasmic reticulum D) intercalated discs
Anatomy & Physiology