Peripheral proteins are attached to the surface of the plasmalemma, while ________ proteins are embedded within the membrane.
Fill in the blank(s) with the appropriate word(s).
integral
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Proteins are digested into ________.
Fill in the blank(s) with the appropriate word(s).
The minimal level of stimulation required to cause a fiber to contract is called:
a. a threshold stimulus b. the all-or-none law c. twitch contraction d. tetanic contraction
A 45-year-old male has just received a diagnosis of type 2 diabetes. He is obese. He has hypertension, heart disease, and high cholesterol, and he smokes. Which of the following findings in this scenario is most likely linked with family history as the cause of his diabetes?
a. High cholesterol b. Hypertension c. Obesity d. Smoking
What triggers the release of acetylcholine from a synaptic terminal?
A) release of calcium ions from the synaptic vesicles B) graded potentials in the synaptic terminal C) synaptic vesicles fuse to dendrites D) diffusion of sodium ions out of the synaptic terminal E) diffusion of calcium ions into the synaptic terminal