What primitive characteristics are visible in the skull pictured here?
What will be an ideal response?
There is a sagittal crest, the forehead is relatively low and sloping and has a prominent brow ridge. Teeth are large and perhaps somewhat specialized, and the lower jaw is much elongated. The nose is not protruding from the face.
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Which of the following is the best illustration of the difference between metabolism and digestion?
A) Digestion has a wide variety of chemical reactions while metabolism is restricted to only a few reaction types. B) Digestions must happen first for metabolism to follow it. C) Metabolism comprises all of the chemical reactions preformed with in the body while digestion is only the breakdown of food within the G.I. Tract. D) Digestion requires enzymes for it to take place while metabolism does not necessarily need or use them.
Increased levels of calcium in the blood in a pregnant woman would stimulate the secretion of
A) growth hormone. B) calcitonin. C) calcitriol. D) thyroid hormone. E) parathyroid hormone.
Only 25% of DNA codes for protein synthesis
a. True b. False Indicate whether the statement is true or false
A hormone produced by the heart that increases sodium output in the urine is atrial ________ peptide.
Fill in the blank(s) with the appropriate word(s).