Describe the transduction process for gustatory signals
What will be an ideal response?
Answer: Taste receptors code for five qualities (sweetness, bitterness, sourness, saltiness, and umami). Each receptor type involves a different transduction process. Hydrogen ions generate a sour taste, which controls a potassium channel. Bitter and sweet tastes are coded for by receptors containing gustducin and that reduce cyclic AMP. Sweet receptors also are coded by gustducin receptors but increase cyclic AMP. The umami signal involves a specific glutamate receptor (mGluR4). The pleasant taste of fat seems linked to receptors that detect free fatty acids in foods.
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Full-term pregnancies typically last:
32 weeks from the date of conception. 34 weeks from the date of conception. 36 weeks from the date of conception. 38 weeks from the date of conception.
A critical difference between high-hardiness and low-hardiness individuals was found to be that high-hardiness individuals _____
a) don't feel stressed about things. b) have low expectations so they are not disappointed. c) use more effective coping strategies. d) have more years of education.