) Differentiate between compact bone and spongy bone.
What will be an ideal response?
Compact bone has osteons situated in closely packed areas and is found where stresses come from a limited range of directions. Spongy bone has large spaces between thin, bony plates and is found where stresses are few or come from many different directions. Compact bone provides strength, whereas spongy bone serves to reduce the weight of bones.
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As cells are pushed from deeper layers of the epidermis toward the surface they
A) become dermal cells. B) receive a better nutrient supply. C) start to die. D) continue to divide. E) All of the answers are correct.
When considering joints in the human body, the most common lever type is the
A. first-class lever. B. second-class lever. C. third-class lever.
In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as ________
A) a stressor reaction B) sensitivity increase C) up-regulation D) cellular affinity
Regulation of a metabolic pathway by the final product of the pathway is termed ________.
allosteric inhibition end-product inhibition negative feedback Both end-product inhibition and negative feedback are correct.