Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 6TYU
Which Observation suggestcd to Sutherland the involvement of a second messenger in epinephrine's effect on liver cells?
- (A) Enzymatic activity was proportional to the amount of calcium added to a cell-freeextract.
- (B) Receptor studies indicated that epinephrine was a ligand.
- (C) Glycogen breakdown was observed only when epinephrine was administered to intact cells.
- (D) Glycogen breakdown was observed only when epinephrine and glycogen Phosphorylase were mixed.
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Signaling molecules interact with cells through specific macromolecular
receptors. For each of the four receptors identified below, list all characteris-
tics, by number, which accurately describe that receptor.
(a) An adrenergic receptor
(b) A steroid receptor
(c) The LDL receptor.
(d) The insulin receptor,
(1) Located at the cell surface
(2) Associated with the protein clathrin
(3) Ligand binding stimulates the activity of phospholipase C
(4) A transmembrane protein
(5) A DNA-binding protein
(6) Located in the cell interior
(7) Receptor-ligand complex moves to the lysosome
(8) Receptor-ligand complex becomes concentrated in the nucleus
(9) Receptor activation can inhibit the synthesis of glycogen
(10) The hormone-receptor complex activates specific gene transcription
(11) Internalization decreases the synthesis of cholesterol esters
Signaling molecules interact with cells through specific macromolec-
ular receptors. For each of the four receptors identified below, list all
characteristics, by number, which accurately describe that receptor.
(a) an adrenergic receptor
(b) a steroid receptor .
(c) the LDL. receptor_
(d) the insulin receptor
1. Located at the cell surface
2. Associated with the protein clathrin
3. Ligand binding stimulates the activity of phospholipase C
4. A transmembrane protein
5. A DNA-binding protein
6. Located in the cell interior
7. Receptor-ligand complex moves to the lysosome
8. Receptor-ligand complex becomes concentrated in the nucleus
9. Receptor activation can inhibit the synthesis of glycogen
10. The hormone-receptor complex activates specific gene tran-
scription
11. Internalization decreases the synthesis of cholesterol esters
(a) Predict the effect of a mutation that enhances the activity of the kinase associated with the PDH complex. (b) Predict the effect of a mutation that reduces the activity of the phosphatase associated with the PDH complex.
Chapter 11 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Ch. 11.1 - Explain how signaling is involved in ensuring that...Ch. 11.1 - In liver cells, glycogen Phosphorylase acts in...Ch. 11.1 - Prob. 3CCCh. 11.2 - Nerve growth factor (NGF) is a water-soluble...Ch. 11.2 - WHAT IF? What would the effect be if a cell made...Ch. 11.2 - MAKE CONNECTIONS How is ligand binding similar to...Ch. 11.2 - Prob. 4CCCh. 11.3 - What is a protein kinase, and what is its role in...Ch. 11.3 - When a signal transduction pathway involves a...Ch. 11.3 - What is the actual signal that is being transduced...
Ch. 11.3 - WHAT IF? If you exposed a cell to a ligand that...Ch. 11.4 - How can a targct cell's response to a single...Ch. 11.4 - WHAT IF? If two cells have different scaffolding...Ch. 11.4 - Prob. 3CCCh. 11.5 - Give an example of apoptosis during embryonic...Ch. 11.5 - WH AT IF? If apoptosis occurred when it should...Ch. 11 - What determines whether a cell responds to a...Ch. 11 - How are the structures of a GPCR and an RTK...Ch. 11 - What is the difference between a protein kinase...Ch. 11 - What mechanisms in the cell terminale its response...Ch. 11 - What is an explanation for the similarities...Ch. 11 - Binding of a signaling molecule to which type of...Ch. 11 - The activation of receptor tyrosinc kinases is...Ch. 11 - Lipid-soluble signaling molecules, such as...Ch. 11 - Consider this pathway: epinephrine G...Ch. 11 - Apoptosis involves all but which of the following?...Ch. 11 - Which Observation suggestcd to Sutherland the...Ch. 11 - Protein phosphorylation is commonly involved with...Ch. 11 - DRAW IT Draw the following apoptotic pathway,...Ch. 11 - EVOLUTION CONNECTION Identify the evolutlonary...Ch. 11 - Prob. 10TYUCh. 11 - SCIENCE, TECHNOLOGY, AND SOCIETY The aging process...Ch. 11 - WRITE ABOUT A THEME: ORGANIZATION The properties...Ch. 11 - SYNTHESIZE YOUR KNOWLEDGE There are five basic...
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- Signaling molecules interact with cells through specific macromolecular receptors. For each of the four receptors identified below, list all characteristics, by number, which accurately describe that receptor. (a) An adrenergic receptor (b) A steroid receptor (c) The LDL receptor (d) The insulin receptor (1) Located at the cell surface (2) Associated with the protein clathrin (3) Ligand binding stimulates the activity of phospholipase C (4) A transmembrane protein (5) A DNA-binding protein (6) Located in the cell interior (7) Receptor–ligand complex moves to the lysosome (8) Receptor–ligand complex becomes concentrated in the nucleus (9) Receptor activation can inhibit the synthesis of glycogen (10) The hormone–receptor complex activates specific gene transcription (11) Internalization decreases the synthesis of cholesterol esters (12) Action of this receptor diminishes the synthesis and activity of bhydroxy-b-methylglutaryl-CoA reductase (HMG-CoA reductase) (13) This receptor…arrow_forwardDopamine, epinephrine (or norepinephrine) and histamine are important neurotransmitter agonists. When these ligands interact with their cellular receptors, how do they mainly elicit their responses? Choose the correct answer(s) and explain why. a) Activate adenylyl cyclase directly, leading to increased intracellular cAMP levels b) Activate phospholipase C c)Induce or inhibit synthesis of ligand specific intracellular proteins d) Open or close ligand gated ion channels e) Regulate intracellular second messengers through G-protein-coupled receptorsarrow_forwardAnswer each question in about one sentence. (a) What is the biochemical basis for the action of Viagra? (b) What is the biochemical basis for the action of Prozac? (c) Oral administration of S-adenosylmethionine has been reported to be effective in treating depression. Suggest a possible explanation.arrow_forward
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