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MMSC 490- Compilation of Exam 3 Quizzes-Solved
MMSC 490- Compilation of Exam 3 Quizzes-Solved Aminoacyl tRNA synthetases are enzymes that connect amino acids while they are held in place on ribosomes by transfer RNAs. synthesize transfer RNAs. attach amino acids to specific transfer RNAs. attach the terminal CCA sequence to transfer RNAs. - Answer ️️ -attach amino acids to specific transfer RNAs. E. coli contains about .................... different tRNAs that code for .................... different amino acids. 62; 20 40; 20 ...
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MMSC 490- Compilation of Exam 3 Quizzes-Solved Aminoacyl tRNA synthetases are enzymes that connect amino acids while they are held in place on ribosomes by transfer RNAs. synthesize transfer RNAs. attach amino acids to specific transfer RNAs. attach the terminal CCA sequence to transfer RNAs. - Answer ️️ -attach amino acids to specific transfer RNAs. E. coli contains about .................... different tRNAs that code for .................... different amino acids. 62; 20 40; 20 ...
MMSC 490 CH. 1 Quiz- Answered
MMSC 490 CH. 1 Quiz- Answered The feature that most clearly distinguishes eukaryotes from prokaryotes is the presence of .......... in eukaryotic cells. oxidative phosphorylation a nucleus ribosomes RNA molecules - Answer ️️ -A nucleus Cytoplasmic organelles are... present in both prokaryotic and eukaryotic cells. absent in prokaryotic cells and present in eukaryotic cells. present in prokaryotic cells and absent in eukaryotic cells. absent in both prokaryotic and eukaryotic cell ...
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MMSC 490 CH. 1 Quiz- Answered The feature that most clearly distinguishes eukaryotes from prokaryotes is the presence of .......... in eukaryotic cells. oxidative phosphorylation a nucleus ribosomes RNA molecules - Answer ️️ -A nucleus Cytoplasmic organelles are... present in both prokaryotic and eukaryotic cells. absent in prokaryotic cells and present in eukaryotic cells. present in prokaryotic cells and absent in eukaryotic cells. absent in both prokaryotic and eukaryotic cell ...
MMSC 490 FINAL EXAM QUESTIONS WITH 100% CORRECT
MMSC 490 FINAL EXAM QUESTIONS WITH 100% CORRECT nuclear receptor superfamily - Answer ️️ -Intracellular receptors for hydrophobic signal molecules such as steroids and retinoid acid. The receptor-ligand complex acts as a transcription factor in the nucleus Zinc fingers and Leucine zippers: - Answer ️️ -are configurations of DNA binding proteins nitric oxide - Answer ️️ -- paracrine signaling molecule cause it has unstable w/ a short half- life - comes from arginine - stimula...
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MMSC 490 FINAL EXAM QUESTIONS WITH 100% CORRECT nuclear receptor superfamily - Answer ️️ -Intracellular receptors for hydrophobic signal molecules such as steroids and retinoid acid. The receptor-ligand complex acts as a transcription factor in the nucleus Zinc fingers and Leucine zippers: - Answer ️️ -are configurations of DNA binding proteins nitric oxide - Answer ️️ -- paracrine signaling molecule cause it has unstable w/ a short half- life - comes from arginine - stimula...
MMSC 490 Final Exam Practice Questions and Answers
MMSC 490 Final Exam Practice Questions and Answers Which of the following regulates genes by binding directly to transcription proteins? a. Growth hormone b. insulin c. steroid hormones d. epinephrine - Answer ️️ -c. steroid hormones Monomeric G proteins, such as Ras and several elongation factors, are usually in the active state when a molecule of ____ is bound to them. a. GDP b. GTP c. ADP d. ATP - Answer ️️ -b. GTP The first amino acid of eukaryotic polypeptides is a. the...
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MMSC 490 Final Exam Practice Questions and Answers Which of the following regulates genes by binding directly to transcription proteins? a. Growth hormone b. insulin c. steroid hormones d. epinephrine - Answer ️️ -c. steroid hormones Monomeric G proteins, such as Ras and several elongation factors, are usually in the active state when a molecule of ____ is bound to them. a. GDP b. GTP c. ADP d. ATP - Answer ️️ -b. GTP The first amino acid of eukaryotic polypeptides is a. the...
MMSC 490 practice quiz 10 chapter 17 with complete solutions
MMSC 490 practice quiz 10 chapter 17 with complete solutions Studies on cell cycle mutants in budding and fission yeasts demonstrated that cdc2 and cdc28 both encode a - Answer ️️ -protein kinase p21 inhibits cell cycle progression by binding to and inhibiting - Answer ️️ -cyclin-dependent kinases MPF is a general regulator of the transition from - Answer ️️ -g2 to M Fertilization of a frog egg triggers the resumption of meiosis by an increase in - Answer ️️ -Ca 2+ To pr...
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MMSC 490 practice quiz 10 chapter 17 with complete solutions Studies on cell cycle mutants in budding and fission yeasts demonstrated that cdc2 and cdc28 both encode a - Answer ️️ -protein kinase p21 inhibits cell cycle progression by binding to and inhibiting - Answer ️️ -cyclin-dependent kinases MPF is a general regulator of the transition from - Answer ️️ -g2 to M Fertilization of a frog egg triggers the resumption of meiosis by an increase in - Answer ️️ -Ca 2+ To pr...
MMSC 490 Practice Quiz 2 with complete solutions
MMSC 490 Practice Quiz 2 with complete solutions A few sugars joined together are called - Answer ️️ -oligosaccharide Nucleotides have an important function in cells as - Answer ️️ -carriers of chemical energy, intracellular signal molecules, and building blocks for nucleic acids The major bonds in glycogen are __________ glycosidic bonds - Answer ️️ -a(1->4) Introducing a double bond into a fatty acid has the effect of putting a(n) _______ into the conformation of the molec...
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MMSC 490 Practice Quiz 2 with complete solutions A few sugars joined together are called - Answer ️️ -oligosaccharide Nucleotides have an important function in cells as - Answer ️️ -carriers of chemical energy, intracellular signal molecules, and building blocks for nucleic acids The major bonds in glycogen are __________ glycosidic bonds - Answer ️️ -a(1->4) Introducing a double bond into a fatty acid has the effect of putting a(n) _______ into the conformation of the molec...
MMSC 490 Exam 3 Questions and Answers
MMSC 490 Exam 3 Questions and Answers What is the primary reason that mammalian red blood cells are used in the study of the plasma membrane? a. There are a lot of them and they are easily obtained. b. They contain larger plasma membranes than any other cell type. c. They are of particular interest because they are made up of a lipid monolayer. d. They lack nuclei and membrane-bounded organelles. - Answer ️️ -d. They lack nuclei and membrane-bounded organelles. Two examples of membra...
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MMSC 490 Exam 3 Questions and Answers What is the primary reason that mammalian red blood cells are used in the study of the plasma membrane? a. There are a lot of them and they are easily obtained. b. They contain larger plasma membranes than any other cell type. c. They are of particular interest because they are made up of a lipid monolayer. d. They lack nuclei and membrane-bounded organelles. - Answer ️️ -d. They lack nuclei and membrane-bounded organelles. Two examples of membra...
MMSC490 Exam 2 Questions with 100% Correct
MMSC490 Exam 2 Questions with 100% Correct During E. coli DNA replication, all newly synthesized or nascent DNA fragments must have one of the following characteristics a. a 5' hydroxyl and 3' triphosphate b. a 5' triphosphate and 3' monophosphate c. 5' monophosphate and 3' hydroxyl d. 5' triphosphate and 3' hydroxyl - Answer ️️ -d. 5' triphosphate and 3' hydroxyl Among the 3 DNA polymerases in E. coli, DNA polymerases I and III differ in a number of properties that make DN...
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MMSC490 Exam 2 Questions with 100% Correct During E. coli DNA replication, all newly synthesized or nascent DNA fragments must have one of the following characteristics a. a 5' hydroxyl and 3' triphosphate b. a 5' triphosphate and 3' monophosphate c. 5' monophosphate and 3' hydroxyl d. 5' triphosphate and 3' hydroxyl - Answer ️️ -d. 5' triphosphate and 3' hydroxyl Among the 3 DNA polymerases in E. coli, DNA polymerases I and III differ in a number of properties that make DN...
MMSC 490 practice quiz 9 chapter 16- Correctly Answered
MMSC 490 practice quiz 9 chapter 16- Correctly Answered Signaling by neurotransmitters is an example of _______ signaling. - Answer ️️ -paracrine Peptide hormones and growth factors act on target cells by binding to cell surface and _______ receptors. - Answer ️️ -soluble extracellular The effect of acetylcholine on the heart muscle cells is to - Answer ️️ -stimulate one contraction Aspirin inhibits ______ synthesis. - Answer ️️ -prostaglandin Diacylglycerol and calcium ac...
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MMSC 490 practice quiz 9 chapter 16- Correctly Answered Signaling by neurotransmitters is an example of _______ signaling. - Answer ️️ -paracrine Peptide hormones and growth factors act on target cells by binding to cell surface and _______ receptors. - Answer ️️ -soluble extracellular The effect of acetylcholine on the heart muscle cells is to - Answer ️️ -stimulate one contraction Aspirin inhibits ______ synthesis. - Answer ️️ -prostaglandin Diacylglycerol and calcium ac...
MMSC 490 Exam 3 (Set 3) Questions and Answers
MMSC 490 Exam 3 (Set 3) Questions and Answers The eukaryotic cell cycle is composed of four phases in the following order: S; G1; G2; M G1; S; G2; M G1; G2; S; M G1; M; G2; S - Answer ️️ -G1; S; G2; M The length of time it takes for the cells labeled during DNA synthesis to begin to enter mitosis is a good estimate of the length of the .............................. phase(s). G2 G1 M S - Answer ️️ -G2 In a typical cycling mammalian cell, .............................. of the ...
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MMSC 490 Exam 3 (Set 3) Questions and Answers The eukaryotic cell cycle is composed of four phases in the following order: S; G1; G2; M G1; S; G2; M G1; G2; S; M G1; M; G2; S - Answer ️️ -G1; S; G2; M The length of time it takes for the cells labeled during DNA synthesis to begin to enter mitosis is a good estimate of the length of the .............................. phase(s). G2 G1 M S - Answer ️️ -G2 In a typical cycling mammalian cell, .............................. of the ...
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