Following electrical stimulation of a muscle cell, calcium functions to
A) stimulate the enzymes that produce ATP.
B) bind to the protein troponin.
C) leak out of the muscle cell to re-establish the membrane potential.
D) break down acetylcholine.
E) maintain the relaxed state of the muscle.
B
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Some activated B cells are transformed into ________ cells that secrete antibodies, and others remain as ________ cells
A) plasma / memory B B) lymphocytes / memory B C) immunoglobulin / plasma D) immunoglobulin / TH
Although most metabolic reactions are freely reversible, a few irreversible catabolic steps are bypassed during biosynthesis with special enzymes that catalyze the reverse reaction in order to allow for independent regulation of catabolic and anabolic pathways.
Answer the following statement true (T) or false (F)
Which of the following represents a kingdom?
a. Animalia b. Chordata c. Canis d. Canidae e. Mammalia
The _______ of a neuron is.are generally responsible for receiving most information from other neurons.
Fill in the blank(s) with the appropriate word(s).