BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
12th Edition
ISBN: 9781264058167
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 46, Problem 3A
Inactive forms of some molecules are secreted
a. because they take less material and energy.
b. because they must combine with water to be activated.
c. so their activity can be regulated.
d. to prevent them from clogging the gland from which they are secreted.
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Students have asked these similar questions
Hormone X appears to regulate the blood concentration of chemical Y via a negative feedback loop. a. Predict what happens to the secretion of hormone X when the blood concentration of chemical Y decreases. b. What effect will this likely have on the blood concentration of chemical Y?c. Predict what happens to the secretion of hormone X when the blood concentration of chemical Y increases.
Which of the following statements about insulin is true?
a. Insulin acts as a transport protein, cany in g glucose across the cell
membrane.
b. Insulin facilitates the movement of inti acellular glucose transporters to the cell membrane. c. Insulin stimulates the breakdown of stored glycogen into glucose.
d. Insulin stimulates the kidneys to reabsorb glucose into the
bloodstream.
The formation and release of hormones from a cell or structure is calleda. digestion.b. excretion.c. synthesis.d. secretion.
Chapter 46 Solutions
BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
Ch. 46.1 - Prob. 1LOCh. 46.1 - Prob. 2LOCh. 46.1 - Prob. 3LOCh. 46.2 - Prob. 1LOCh. 46.2 - Prob. 2LOCh. 46.3 - Prob. 1LOCh. 46.3 - Prob. 2LOCh. 46.4 - Prob. 1LOCh. 46.4 - Explain how absorbed nutrients move into the blood...Ch. 46.5 - Prob. 1LO
Ch. 46.5 - Prob. 2LOCh. 46.5 - Prob. 3LOCh. 46.6 - Prob. 1LOCh. 46.6 - Prob. 2LOCh. 46.7 - Prob. 1LOCh. 46.7 - Prob. 2LOCh. 46.7 - Prob. 3LOCh. 46.8 - Prob. 1LOCh. 46.8 - Describe how rumination works.Ch. 46.8 - Prob. 3LOCh. 46 - Prob. 1DACh. 46 - If you constructed a phylogeny using molecular...Ch. 46 - Prob. 1IQCh. 46 - Prob. 2IQCh. 46 - Prob. 3IQCh. 46 - Prob. 4IQCh. 46 - How is the digestion of fats different from that...Ch. 46 - Although the stomach is normally thought of as the...Ch. 46 - After being absorbed through the intestinal...Ch. 46 - Which of these pairings is incorrect? a. Fat...Ch. 46 - Intestinal microorganisms aid digestion and...Ch. 46 - Prob. 6UCh. 46 - Which of the following represents the action of...Ch. 46 - Prob. 1ACh. 46 - The primary function of the large intestine is to...Ch. 46 - Inactive forms of some molecules are secreted a....Ch. 46 - Prob. 4ACh. 46 - Many birds possess crops, although few mammals do....Ch. 46 - Suppose that you wanted to develop a new treatment...Ch. 46 - How could a drop in plasma proteins and a decrease...Ch. 46 - Unlike many cases of convergence (see section...Ch. 46 - Prob. 5S
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- The substance in question 3 that is not anenzyme isa. a zymogen.b. a nutrient.c. an emulsifier.d. a neurotransmitter.e. a hormone.arrow_forwardGrowth hormonea. increases the usage of glucose.b. increases the breakdown of lipids.c. decreases the synthesis of proteins.d. decreases the synthesis of glycogen.e. All of these are correct.arrow_forwardWhich of these is not an example of cotransport? a. Movement of glucose and Na+ through the apical epithelial membrane in the intestinal epithelium b. Movement of Na+ and K+ through the action of the Na+/K+pumps c.Movement of Na+and glucose across the kidney tubules d.Movement of Na+ into a cell while Ca 2+moves outarrow_forward
- 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.arrow_forwardWhich of these substances, produced by many body tissues, can promoteinflammation, pain, and vasodilation of blood vessels?a. endorphins c. thymosin e. prostaglandinsb. enkephalins d. epidermal growth factorarrow_forwardWhich of the following causes the kidney to conserve/retain sodium? a. aldosterone b. vasopressin c. oxytocin d. corticosterone Which of the following class of chemicals exerts its effects by entering cells, binding intracellular receptors, and affecting gene expression? a. Peptides b. Steroids c. Bioactive amines d. Amino acidsarrow_forward
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