Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 19E
Cytosolic calcium often exerts its effect by binding to cytosolic (protein kinase C/calmodulin).
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Chapter 5 Solutions
Principles of Human Physiology (6th Edition)
Ch. 5.1 - Name the three functional classes of messengers....Ch. 5.1 - Prob. 5.1.2QCCh. 5.1 - Prob. 5.1.3QCCh. 5.2 - How does inhibiting enzymes prevent the sensation...Ch. 5.2 - What negative effects do elevated doses of aspirin...Ch. 5.2 - Prob. 3CTQCh. 5.2 - Prob. 5.2.1QCCh. 5.2 - Prob. 5.2.2QCCh. 5.2 - Prob. 5.2.3QCCh. 5.3 - Prob. 1CTQ
Ch. 5.3 - Prob. 2CTQCh. 5.3 - Prob. 3CTQCh. 5.3 - Where in the target cell are the receptors for...Ch. 5.3 - Name the three categories of membrane-bound...Ch. 5.3 - Name five substances that act as second...Ch. 5 - Prob. 1ECh. 5 -
Epinephrine is a(n)
a. Amino acid.
b....Ch. 5 - Prob. 3ECh. 5 - Prob. 4ECh. 5 - Prob. 5ECh. 5 -
Which of the following is likely to cause an...Ch. 5 -
Which of the following messenger classes bind to...Ch. 5 - Prob. 8ECh. 5 -
G proteins are involved whenever
Binding of...Ch. 5 - Prob. 10ECh. 5 - Prob. 11ECh. 5 - Prob. 12ECh. 5 - Prob. 13ECh. 5 -
When a G protein is activated, it releases a...Ch. 5 -
The enzyme that catalyzes conversion of ATP to...Ch. 5 -
Following activation of the phosphatidylinositol...Ch. 5 - Prob. 17ECh. 5 - Prob. 18ECh. 5 - Cytosolic calcium often exerts its effect by...Ch. 5 - Prob. 20ECh. 5 - Prob. 21ECh. 5 - Prob. 22ECh. 5 - Prob. 23ECh. 5 - Compare lipophilic and lipophobic chemical...Ch. 5 - Prob. 25ECh. 5 -
Describe the cAMP second messenger system,...Ch. 5 - Compare long-distance communication by the nervous...Ch. 5 -
Describe the two types of receptor- mediated...Ch. 5 - Prob. 29ECh. 5 - Prob. 30ECh. 5 - Prob. 31ECh. 5 - Prob. 32ECh. 5 - Prob. 33E
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- One protein made by these cells is (myelin, actin, myosin) that is essential in neurological function as seen in ( multiple sclerosis, epilepsy, brain tumors) where the degeneration of the protein is observed and patients experience neurological symptoms.arrow_forwardActivation of phosphatidylinositol-3-kinase (PI3K) stimulate protein-protein interactions. True or Falsearrow_forwardWhich of the following residues cannot be phosphorylated by a protein kinase? Ser His Thr Tyr Gluarrow_forward
- "Continual addition and removal of phosphates by protein kinase and protein phosphatases is wasteful of energy-since their combined action consumes ATP-but it is a necessary consequence of effective regulation by phosphorylation" is true or false.arrow_forwardIn the regulation of enzyme activity by phosphorylation (as discussed in class), the introduction of phosphate to the enzyme being controlled: requires a protein phosphatase enzyme but not ATP requires a protein phosphatase enzyme plus ATP O requires a protein kinase enzyme but not ATP O requires a protein kinase enzyme plus ATParrow_forwardOne of the toxins produced by Bacillus anthracis (the cause of anthrax) is known as EF, or edema factor (edema is the abnormal buildup of extracellular fluid). EF, which enters mammalian host cells, is a calmodulin- activated adenylate cyclase. Explain how this toxin causes edema.arrow_forward
- Under certain stable concentration conditions, actin monomers in their ATP form will polymerize to form filaments that disperse again into free actin monomers over time. Explainarrow_forwardIf a skeletal muscle has depleted its stores of ATP how will the altered transport properties of the following transporters affect cytosolic ion concentrations (increase, decrease, no change) relative to normal? Skeletal Muscle Cell With Depleted ATP Stores Ion transporter Cytosolic K+ Cytosolic Na+ Cytosolic Ca2+ NKA NCX SERCAarrow_forwardThe Na+/K+ ATPase pump is a P-type pump and requires a covalent phosphorylation from a phosphate source like GTP. True Falsearrow_forward
- The Table below shows the names of proteins whose functions are regulated through the binding of their ligands. Complete this Table by filling in the correct ligands for each of the proteins, the corresponding K, value, the affinity of this protein for its ligand and the source where the protein is found. Example Protein Avidin 1 Insulin receptor 2 Anti-HIV immunoglobulin 3 Nickel binding protein 4 Myoglobin 5 Myosin 6 Acetyl-CoA carboxylase 7 Cannabinoid receptor 1 (CB1) 8 Guanylyl cyclase Ligand Biotin Kd (M) 1 x 10-15 Affinity high Source/Organism Egg whitearrow_forwardThe steroid hormones provide a physiological example. These cholesterol relatives can pass through a membrane, but what determines the direction in which they will move?arrow_forwardRigor mortis (the stiffening of muscles fibers several hours after death) is directly due to the depletion of what energy source? This energy molecule is used to power a calcium pump that transports Ca2+ ions back into the endoplasmic reticulum where calcium ions are already at a high concentration.arrow_forward
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