Nonessencial amino acids are useless to the body.
a. true
b. false
Ans: b. false
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Spatial summation occurs in a postsynaptic neuron
a. when several EPSPs from a single presynaptic input sum to reach threshold. b. when EPSPs from several presynaptic inputs sum to reach threshold. c. upon simultaneous interaction of an EPSP and an IPSP. d. when several IPSPs from a single presynaptic input sum to hyperpolarize the membrane. e. none of these answers.
Match the substance necessary for clotting with its particular role.A. A mixture of lipoproteins released from injured tissueB. Converts prothrombin to thrombinC. The insoluble protein that forms the network of the clotD. Needed by the liver to produce prothrombinE. Fibrin-stabilizing factorFactor XIII
Fill in the blank(s) with the appropriate word(s).
Why is it recommended that individuals obtain dietary fiber from foods rather than from supplements??
A) ?The supplements contain too many extra calories. B) ?Fiber in foods is more readily available to the body. C) ?To save the calories contained in the food. D) ?The foods may contain health benefits in addition to the fiber.
The presence of pouchlike herniations through the muscular layer of the colon is a condition known as ____
a. hepatitis b. Crohn's disease c. diverticulosis d. cirrhosis