What is the chemical composition of the rod pigment, rhodopsin, and how does it appear to act in the reception of light?
What will be an ideal response
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Question 2) Direct gene activation involves a second-messenger system.
Indicate whether the statement is true or false
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Question 3) Thyroxine is a peptide hormone, but its mechanism is different from other peptide hormones. Which of the following statements is true concerning this difference?
A) It is very specific in the cell type it targets.
B) It is a stimulant of cellular metabolism and targets all cells.
C) It causes positive feedback.
D) It does not require a second messenger to cause a response.
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Question 4) Glucocorticoids are steroid hormones that usually enhance the immune responses when an individual is suffering from severe stress.
Indicate whether the statement is true or false
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Question 5) Growth hormone solely exerts its influence by targeting other endocrine glands to produce hormones.
Indicate whether the statement is true or false
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Question 6) A man has been told that he is NOT synthesizing enough follicle-stimulating hormone (FSH), and for this reason he may be unable to father a child. Choose the correct statement to explain this problem.
A) A hormone made in the anterior pituitary cannot influence fertility.
B) The man must be producing progesterone, which inhibits the synthesis of FSH.
C) FSH stimulates sperm production in the testes.
D) FSH stimulates estrogen secretion by ovarian cells; therefore it is not synthesized by males.
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Question 7) The endocrine gland that is probably malfunctioning if a person has a high metabolic rate is the parathyroid.
Indicate whether the statement is true or false
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Question 8) Eicosanoids do NOT include ________.
A) leukotrienes
B) prostaglandins
C) hydrocortisones
D) paracrines
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Question 9) Hot chili peppers contain a chemical compound called capsaicin that stimulate which type of receptor?
What will be an ideal response
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Question 10) Taste is solely a response to chemicals dissolved in ________.
Fill in the blanks with correct word
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