Pka signaling Study guides, Class notes & Summaries
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GMS 6552 Exam 1 Questions and Answers 100% Accurate!!
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Molecular Drug Targets - ANSWER-Receptors-45% 
Enzymes-28% 
Hormones-11% 
Unknown-7% 
Ion Channels-5% 
DNA-4% 
 
Channel-Linked (Ionotropic) Receptors - ANSWER-Produce cellular effects in milliseconds 
Nicotinic ACh receptor 
 
GPCRs - ANSWER-Effects happen in seconds 
Muscarinic ACh receptor 
 
Kinase-linked receptors - ANSWER-Effects happen in minutes 
Insulin receptor 
 
Receptors linked to gene transcription - ANSWER-Effects happen in hours 
Estrogen receptor 
 
Heterotrimeric G proteins - A...
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BioMG 1350 Practice Final Questions with complete solutions
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what kind of receptors recognize hydrophobic signals such as steroid hormones? 
A. cell surface receptors 
B. intracellular receptors 
C. any of the above Correct Answer-b 
 
which type of signaling uses secreted signals that function as local mediators? 
A. endocrine signaling 
B. paracrine signaling 
C. contact dependent signaling 
D. neuronal signaling Correct Answer-paracrine signaling 
 
in a signal transduction pathway controlled by G protein coupled receptors, PKA is located 
A. upstr...
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions. 
What are proteins made from? -Answer- amino acids 
What are some functions of proteins? (5) -Answer- structural, enzymatic, transport, 
defense, contractile 
Which isomer of carbohydrates is used in animals? -Answer- D 
What are DNA and RNA made of? -Answer- nucleic acids 
All lipids are formed from... -Answer- acetyl Co-A 
Complex lipids -Answer- phospholipids and glycolipids 
Simple lipids -Answer- triglycerides 
functions ...
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions.
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions. 
What are proteins made from? -Answer- amino acids 
What are some functions of proteins? (5) -Answer- structural, enzymatic, transport, 
defense, contractile 
Which isomer of carbohydrates is used in animals? -Answer- D 
What are DNA and RNA made of? -Answer- nucleic acids 
All lipids are formed from... -Answer- acetyl Co-A 
Complex lipids -Answer- phospholipids and glycolipids 
Simple lipids -Answer- triglycerides 
functions ...
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions.
- Exam (elaborations) • 18 pages • 2024
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Biochemistry and Metabolism Exam 1 Questions with Complete Solutions. 
What are proteins made from? -Answer- amino acids 
What are some functions of proteins? (5) -Answer- structural, enzymatic, transport, 
defense, contractile 
Which isomer of carbohydrates is used in animals? -Answer- D 
What are DNA and RNA made of? -Answer- nucleic acids 
All lipids are formed from... -Answer- acetyl Co-A 
Complex lipids -Answer- phospholipids and glycolipids 
Simple lipids -Answer- triglycerides 
functions ...
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MTM-Final Exam Basic Science
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MTM-Final Exam Basic Science 
 
Ionized forms like A- and BH+ are ________ and ______ diffusible across membrane 
water; poorly 
generic equation used to calculate week acidic and basic drugs 
10 ^(pka-pH) = protonated/unprotonated 
equation to calculate weak acidic drugs 
10^(pka-pH) = [nonionized(HA)]/[ionized(A-)] 
equation to calculate weak basic drugs 
10^(pka-pH) = [ionized (BH+)]/[nonionized(B0] 
if the pka and pH difference is 1 or -1: ionization is 
90% or 10% 
if the pka and pH differe...
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MTM-Final Exam Basic Science
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MTM-Final Exam Basic Science 
 
Ionized forms like A- and BH+ are ________ and ______ diffusible across membrane 
water; poorly 
generic equation used to calculate week acidic and basic drugs 
10 ^(pka-pH) = protonated/unprotonated 
equation to calculate weak acidic drugs 
10^(pka-pH) = [nonionized(HA)]/[ionized(A-)] 
equation to calculate weak basic drugs 
10^(pka-pH) = [ionized (BH+)]/[nonionized(B0] 
if the pka and pH difference is 1 or -1: ionization is 
90% or 10% 
if the pka and pH differe...
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TEST BANK FOR BIOCHEMISTRY: A SHORT COURSE, 3RD EDITION, JOHN L. TYMOCZKO, JEREMY M. BERG , LUBERT STRYER
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TEST BANK FOR BIOCHEMISTRY: A SHORT COURSE, 3RD EDITION, JOHN L. TYMOCZKO, JEREMY M. BERG , LUBERT STRYER 
 
 
 
Table of Contents 
 
PART I: THE MOLECULAR DESIGN OF LIFE 
Section 1: Biochemistry 
Chapter 1: Biochemistry and the Unity of Life 
Chapter 2: Water, Weak Bonds and the Generation of Order Out of Chaos 
 
Section 2: Protein Composition and Structure 
Chapter 3: Amino Acids 
Chapter 4: Protein Three-Dimensional Structure Chapter 5: Techniques in Protein Biochemistry 
Section 3: Basic Co...
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MCB 2000 Exam 1
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MCB 2000 Exam 1 
 
Alanine (ala) 
nonpolar 
aliphatic 
Glycine (gly) 
nonpolar 
aliphatic 
Valine (val) 
nonpolar 
aliphatic 
branched chain 
Leucine (leu) 
nonpolar 
aliphatic 
branched chain 
Isoleucine (ile) 
nonpolar 
aliphatic 
branched chain 
Proline (pro) 
nonpolar 
aliphatic 
ring structure that is not aromatic 
Phenylalanine (phe) 
nonpolar 
aromatic 
permits absorption of UV light at 280 nm 
Tyrosine (tyr) 
polar and nonpolar properties 
-amphipathic 
uncharged 
aromatic 
OH group 
Try...
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Cell Structure & Fn Exam #4 Practice 27 Questions with Verified Answers,100% CORRECT
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Cell Structure & Fn Exam #4 Practice 27 Questions with Verified Answers 
 
Mutations that alter sequences near the 5′ end of mRNA result in alterations near the corresponding protein's N-terminal end, whereas mutations that alter the 3′ sequences of mRNA result in alterations in the protein's C-terminal end. What do these findings imply? 
 
A. The N- and C-terminal ends of proteins are susceptible to alteration. 
B. The genetic code is a series of amino acids (the component parts of protei...
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