Within a chemical synapse, the receptors _____.
A. bind to a variety of different ligands
B. are always degraded by enzymes in order disable them
C. are only responsive to changes in voltage
D. bind to very specific ligands
Answer: D. bind to very specific ligands
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The most posterior chamber of the heart is the left ventricle.
Answer the following statement true (T) or false (F)
Positive nitrogen balance is a condition where
A. an individual's nitrogen intake is greater than phosphate intake. B. a food has a positive effect on blood nitrogen levels. C. an individual's nitrogen input is equal to its loss in urine and feces. D. an individual absorbs more nitrogen than is excreted. E. too many proteins are being ingested in the diet.
Both anatomists and physiologists are aware that form and function are interrelated.
Answer the following statement true (T) or false (F)
What is the function of gonads?
A) produce gametes B) transport gametes C) produce hormones D) produce gametes and produce hormones E) None of the answers is correct.