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MMSC 490 Exam 1 Questions & Answers 2025/2026 cell wall - ANSWERS-organelle of bacteria and plants -rigid layer composed of carbohydrates and proteins -porous and easily penetrated plasma membrane - ANSWERS-organelle of bacteria, plant and animal cells -bilayer of phospholipids and associated proteins -provides separation from inside of cell and external environment nucleoid - ANSWERS-organelle of bacteria -contains 1 circular molecule of DNA -not surrounded by membrane ribos...

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21 pages

Written in 2024/2025

Grade A+

Bensuda

MMSC490 Packaged Exams With Questions And 100% Correct Answers Graded A+...

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4 items

Easton

MMSC 490 Exam 3 Questions And Accurate Answers ...

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53 pages

Written in 2024/2025

Grade A+

Easton

1 Exam (elaborations) MMSC 490 Final Exam Questions with Correct Answers 2 Exam (elaborations) MMSC 490 2024 Exam Questions with Correct Answers 3 Exam (elaborations) MMSC 490 Exam Question and Answers All Correct 4 Exam (elaborations) MMSC 490 Exam Questions and Correct Answers 5 Exam (elaborations) MMSC 490 Final Test Questions with Correct A

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7 items

BrightByte

MMSC 490 Final Exam Questions with Correct Answers Humans possess about .............. different cell types. 100 200 500 1,000 - Answer-200 In adult organisms, cell death must be balanced by cell growth. differentiation. renewal. migration. - Answer-renewal The distinct series of changes that characterizes programmed cell death is called necrosis. apoptosis. sepsis. execution. - Answer-apoptosis Cells that die as the result of acute injury undergo lysis. sepsis. apoptosis. ...

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85 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 2024 Exam Questions with Correct Answers The feature that most clearly distinguishes eukaryotes from prokaryotes is the presence of .......... in eukaryotic cells. RNA Molecules Ribosomes Oxidative phosphorylation Nucleus - Answer-Nucleus Cytoplasmic organelles are... Present in prokaryotic cells an absent in eukaryotic cells Absent in prokaryotic cells and present in eukaryotic cells Absent in both prokaryotes and eukaryotes Present in both prokaryotic and eukaryotic cell...

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28 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 Exam Question and Answers All Correct Which energy producing process is thought to have come first during cellular evolution - Answer-glycolysis The initial importance of a membrane enclosing self-replicating RNA molecules and associated proteins was that it - Answer-maintained these molecules as a unit capable of reproduction and evolution Mitochondria and chloroplasts resemble bacteria in that they - Answer-have their own DNA have their own ribosomes reproduce by a simple ...

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17 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 Exam Questions and Correct Answers The feature that most clearly distinguishes eukaryotes from prokaryotes is the presence of .......... in eukaryotic cells. - Answer-a nucleus Cytoplasmic organelles are - Answer-absent in prokaryotic cells and present in eukaryotic cells The eukaryotic nucleus contains .......... DNA molecule(s). - Answer-multiple linear Stanley Miller applied electric sparks to a reducing atmosphere of methane, ammonia, water, and hydrogen, and the resultin...

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4 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 Final Test Questions with Correct Answers Which energy-producing process is thought to have come first during cellular evolution? - Answer-Glycolysis The initial importance of a membrane enclosing self-replicating RNA molecules and associated proteins was that it - Answer-maintained these molecules as a unit capable of reproduction and evolution. Mitochondria and chloroplasts resemble bacteria in that they - Answer-have their own DNA, have their own ribosomes, reproduce by si...

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17 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 Exam 3 Questions with Correct Answers Aminoacyl tRNA synthetases are enzymes that attach the terminal CCA sequence to transfer RNAs. attach amino acids to specific transfer RNAs. connect amino acids while they are held in place on ribosomes by transfer RNAs. synthesize transfer RNAs. - Answer-attach amino acids to specific transfer RNAs. E. coli contains about .................... different tRNAs that code for .................... different amino acids. 62; 40 40; 20 50; 2...

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31 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 Exam 2 Questions with Correct Answers Which eukaryotic DNA polymerase replicates the lagging strand in the 3ʹ to 5ʹ direction? a. α b. γ c. δ d. None of the above; the lagging strand is replicated in the 5ʹ to 3ʹ direction. - Answerd. None of the above; the lagging strand is replicated in the 5ʹ to 3ʹ direction. DNA polymerases can synthesize DNA: a. de novo, by catalyzing the polymerization of free dNTPs. b. by adding dNTPs to complementary dNTPs on a single-strande...

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34 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 Exam 2 Questions and Answers All Correct The genomes of salamanders contain ten times more DNA than the genomes of humans because salamanders - Answer-have more noncoding DNA than humans have. A gene can be defined as a segment of DNA that codes for - Answer-functional product. Introns in mRNA-coding genes are the transcribed sequences - Answer-between protein-coding sequences. In the nucleus, introns are removed from transcripts by - Answer-splicing introns can encode - Ans...

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8 pages

Written in 2023/2024

Grade A+

BrightByte

MMSC 490 Bundled Exams Questions and Answers 100% Verified and Updated | Graded A

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22 items

GraceAmelia

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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49 pages

Written in 2023/2024

Grade A+

GraceAmelia

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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13 pages

Written in 2023/2024

Grade A+

GraceAmelia

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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15 pages

Written in 2023/2024

Grade A+

GraceAmelia

MMSC 490 practice quiz 1- Correctly Solved At the time life arose on Earth, Earth's atmosphere contained abundant amounts of all of the following except - Answer ️️ -O2 (H2, N2, and H2s were all present) RNA is believed to have been the initial genetic system because it can - Answer ️️ -catalyze the polymerization of nucleotides into another RNA strand. Mitochondria and chloroplasts resemble bacteria in that they - Answer ️️ -- have their own DNA - have their own ribosomes -...

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2 pages

Written in 2023/2024

Grade A+

GraceAmelia

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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2 pages

Written in 2023/2024

Grade A+

GraceAmelia

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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55 pages

Written in 2023/2024

Grade A+

GraceAmelia

Although E. coli DNA polymerase I is not a chromosomal DNA replicase, it participates in DNA replication. What is its function? a. synthesizes Okazaki fragments b. replaces RNA primer with DNA c. unwinds the double helix d. synthesizes an RNA primer e. connects 3' end of one okazaki fragment with the 5' end of another - Answer ️️ -b. replaces RNA primer with DNA In a replication fork, how do leading and lagging strands differ? a. lagging strand is subject to more error and require...

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28 pages

Written in 2023/2024

Grade A+

GraceAmelia