BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
12th Edition
ISBN: 9781264058167
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 44, Problem 4U
Which of the following is true about lipophilic hormones?
a. They are freely soluble in the blood.
b. They require a transport protein in the bloodstream.
c. They cannot enter their target cells.
d. They are rapidly deactivated after binding to their receptors.
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Which of the following statements about polypeptide hormones is false?a. They bind to receptors located on the cell membrane.b. Most of them are lipophilic.c. They are the most abundant class of hormones.d. They normally activate second messengers.e. They bind noncovalently to receptors.
Which of the following is NOT a trait of lipid-soluble hormones?
A. They often need help of carrier proteins to circulate in the blood stream.
B. They frequently activate signal transduction pathways that use second messengers.
C. They easily diffuse through the phospholipid bilayers of target cells.
D. They are typically modified lipids
E. They normally leave secretory cells without using exocytosis
The actions of lipid-soluble hormones include
a. activation or inhibition of enzymatic pathways.
b. binding with a hormone-responsive element.
c. muscle contraction or relaxation. d. stimulation of cellular secretions.
Chapter 44 Solutions
BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
Ch. 44.1 - Prob. 1LOCh. 44.1 - Prob. 2LOCh. 44.1 - Prob. 3LOCh. 44.2 - Prob. 1LOCh. 44.2 - Prob. 2LOCh. 44.2 - Prob. 3LOCh. 44.3 - Prob. 1LOCh. 44.3 - Describe the connections between the hypothalamus,...Ch. 44.3 - Prob. 3LOCh. 44.4 - Prob. 1LO
Ch. 44.4 - Describe the components of Ca2+ homeostasis.Ch. 44.4 - Prob. 3LOCh. 44.5 - Prob. 1LOCh. 44.5 - Prob. 2LOCh. 44.5 - Prob. 3LOCh. 44 - Prob. 1DACh. 44 - Prob. 1IQCh. 44 - Which of the following best describes hormones? a....Ch. 44 - Steroid hormones a. can diffuse through the...Ch. 44 - Second messengers are activated in response to a....Ch. 44 - Which of the following is true about lipophilic...Ch. 44 - An organ is classified as part of the endocrine...Ch. 44 - Hormones released from the pituitary gland have...Ch. 44 - Prob. 7UCh. 44 - You think one of your teammates is using anabolic...Ch. 44 - Your Uncle Sal likes to party. When he goes out...Ch. 44 - Prob. 3ACh. 44 - Prob. 4ACh. 44 - Prob. 5ACh. 44 - You experience a longer period than normal between...Ch. 44 - Mild vitamin D deficiency can lead to...Ch. 44 - How can blocking hormone production decrease...Ch. 44 - Suppose that two different organs, such as the...Ch. 44 - Many physiological parameters, such as blood Ca2+...
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- which of the following happens when a therapeutic synthetic homone is introduced intno the body to treat patients natural hormone insufficiency?(select all that apply) A. The target cell responds the same way as when the hormone is natural B. the synthetic hormone has no effect on the target tissues C. the amount of natural hormone produced by the patients body declines D. the synthetic hormone is destroyed before it can have an effect on the target tissue.arrow_forwardWhich of the following best describes hormones? a. Hormones are relatively unstable and work only in the area adjacent to the gland that produced them. b. Hormones are long-lasting chemicals released from glands. c. All hormones are lipid-soluble. d. Hormones are chemical messengers that are released into the environment.arrow_forwardWhich of the following is not a hormone? a. prolactin b. thymosin c. iodine d. natriuretic peptide e. insulin-like growth factorarrow_forward
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