EP CONNECT ONLINE ACCESS FOR BIOLOGY
20th Edition
ISBN: 9781260494655
Author: Raven
Publisher: MCG COURSE
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Chapter 9, Problem 3U
The function of a ____is to add phosphates to proteins, whereas a _____functions to remove the phosphates.
a. tyrosine; serine
b. protein phosphatase; ptotein dephospharase
c. ptotein kinase; piotcin phosphatase
d. receptor; ligand
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Chapter 9 Solutions
EP CONNECT ONLINE ACCESS FOR BIOLOGY
Ch. 9.1 - Prob. 1LOCh. 9.1 - Prob. 2LOCh. 9.2 - Prob. 1LOCh. 9.3 - Prob. 1LOCh. 9.3 - Prob. 2LOCh. 9.4 - Prob. 1LOCh. 9.4 - Describe how information crosses the membrane in...Ch. 9.4 - Prob. 3LOCh. 9.4 - Prob. 4LOCh. 9.5 - Prob. 1LO
Ch. 9.5 - Prob. 2LOCh. 9 - Paracrine signaling is characterized by ligands...Ch. 9 - Signal transduction pathways a. are necessary for...Ch. 9 - The function of a ____is to add phosphates to...Ch. 9 - Which of the following receptor types is NOT a...Ch. 9 - How does the function of an intracellular receptor...Ch. 9 - Signaling through receptor tyrosine kinases often...Ch. 9 - Prob. 7UCh. 9 - Which of the following best describes the...Ch. 9 - Prob. 1ACh. 9 - The ion Ca2+ can act as a second messenger because...Ch. 9 - Different receptors can have the same effect on a...Ch. 9 - In comparing small G proteins like Ras and GPCR...Ch. 9 - Prob. 5ACh. 9 - The receptors for steroid hormones and peptide...Ch. 9 - Describe the common features found in all examples...Ch. 9 - The sheet of cells that form the gut epithelium...
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- Enzymes that have binding sites for modulators are specifically called a. zymogens b. quaternary proteins c. induced enzymes d. allosteric enzymesarrow_forwardWhich of the following would move the farthest on a protein gel? A. cyclin dependent kinase (34 kDa) B. insulin receptor (156 kDa) C. phosphofructokinase (85 kDa) D. sodium-potassium pump (100 kDa)arrow_forwardDefine the following terms: a. proteolytic cleavage b. proproteins c. preproproteins d. hydroxylation e. phosphorylationarrow_forward
- Define the following terms: a. intrinsically disordered protein b. intrinsically disordered region c. prosthetic group d. apoprotein e. molecular chaperonearrow_forwardDefine the following terms: a. phosphatidylinositol cycle b. PIP2 c. IP3 d. DAG e. PKCarrow_forwardDefine the following terms: a. adenylate cyclase b. Gαs c. Gβγ d. PKA e. CREarrow_forward
- For cellular transduction, why is it useful that phosphorylation cascades have a series of protein kinases? a. they amplify the original signal b. they always lead to the same cellular response c. the number of molecules used is small and fixed d. they are cell specificarrow_forwardDefine the following terms:a. decoding centerb. peptidyl transferase centerc. GTPase-associated centerd. guanine nucleotide exchange factore. proton shuttle mechanismarrow_forwardPol II is active when its tail is phosphorylated. Which of the following amino acids is present in the tail that gets phosphorylated? a. Tryptophan b. Cysteine c. Serine d. Tyrosinearrow_forward
- ADH causes cells of the kidneys to insert aquaporins (leak channels for water) into their membranes. It most likely does this by: Group of answer choices A. activating a second messenger system that leads to activation/insertion of the aquaporin B. binding to DNA adjacent to genes that code for enzymes that make aquaporins C. binding to genes adjacent to those that code for aquaporins and increasing their production D. directly phosphorylating the aquaporinsarrow_forwardPlease answer question 1 Question 1 In order to prevent a specific event (step) from occurring in a pathway (e.g. the phosphorylation of MAPKK), you should target the ______ portion of the cascade with an inhibitor. a. extracellular b. downstream c. nucleararrow_forward14) Which of the following correctly ranks the steps in the secretory pathway? 1. Active PKA subunits phosphorylate targets in the cell, regulating function. 2. The catalytic subunits of PKA dissociate. 3. Gprotein a subunit exchanges bound GDP for GTP. 4. CAMP binds to the regulatory subunits of PKA, activating it. 5. Ga subunit dissociates from complex and activates adenylate cyclase. 6. Ligand (hormone) binds to receptor. 7. Activated adenylate cyclase produces CAMP from ATP.arrow_forward
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