To stimulate muscle contraction, acetylcholine is released from the ___________ into the synaptic cleft.
A. synaptic vesicles
B. junctional folds
C. sarcoplasmic reticulum
D. sarcolemma
E. terminal cisterna
A. synaptic vesicles
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A) E B) B C) D D) C E) A 6) Splenic vein. 7) Superior mesenteric vein. 8) Inferior mesenteric vein. 9) Hepatic portal vein. 10) Right gastroepiploic vein.
The movement of substances from the blood into the renal tubules is called:
a. reabsorption b. glomerular filtrate c. secretion d. none of the above
Which bone has the linea aspera?
A. Humerus B. Scapula C. Femur D. Tibia
Which of the following steps in glycolysis occurs last?
A. Input of 2 ATP molecules B. Phosphorylation of glucose to form glucose-6-phosphate C. Production of ATP from phosphoenolpyruvic acid D. Oxidation of glyceraldehyde-3-phosphate E. Cleavage of fructose 1, 6 diphosphate