The Na+ and K+ channels that open and close during an action potential are voltage-gated channels
Indicate whether the statement is true or false
T
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A group of people have their BMI scores calculated: Jordan has a BMI of 26. Matt has a BMI of 21. Kelsey has a BMI score of 29. Heather has a BMI score of 31. Chad has a BMI of 23. Which of these people is considered obese by the BMI standards?
A. Two or more of these people are considered obese B. Matt C. Heather D. Jordan
A decrease in the heart rate would decrease the cardiac output.
a. true b. false
Gap junctions allow direct communication or ionic flow between adjacent cells for a(n) ______ synapse, while synapses that use neurotransmitters to signal from the presynaptic to postsynaptic cell are called _______ synapses.
a. direct, electrical b. chemical, indirect c. electrical, chemical d. chemical, electrical
When NAD+ becomes NADH, it is being
A. reduced and gaining chemical energy. B. oxidized and gaining chemical energy. C. oxidized and releasing chemical energy. D. reduced and releasing chemical energy.