Mmsc490 - Study guides, Class notes & Summaries

MMSC490 Exam 2 Questions And Answers MMSC490 Exam 2 Questions And Answers MMSC490 Exam 2 Questions And Answers

MMSC490 Exam 1 Questions and Answers | Verified & Updated 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 molecules - Answer ️️ -multiple linear Stanley miller applied electric sparks to a reducing atmosphere of methane, ammonia, water, hydrogen, an...

MMSC490 Exam 1 Questions and Answers

DNA replication is a. conservative b. semiconservative c. bidirectional d. liberal e. proliferative - ️️B DNA polymerase can synthesise DNA a. de novo by catalysing the polymerisation of free dNTPs b. by adding dNTPs to complementary dNTPs on a single stranded DNA c. by adding dNTPs to a hydroxyl group on the end of a growing polynucleotide chain hydrogen bonded to a strands of RNA d. by adding dNTPs to a hydroxyl group on the end of a growing polynucleotide chain hydrogen bonded...

Mmsc490 Exam Questions with Complete Solutions The feature that most clearly distinguishes eukaryotes from prokaryotes is the presence of ......... in eukaryotic cells oxidative phosphorylation, ribosomes, a nucleus, RNA molecules - Answer-A nucleus Cytoplasmic organelles are *present in prokaryotic cells and absent in eukaryotic cells . *absent in prokaryotic cells and present in eukaryotic cells . *absent in both prokaryotic and eukaryotic cells . *present in both prokaryotic and ...

MMSC490 Final Exam Questions with 100% Answers Humans possess about .............. different cell types. 100 200 500 1,000 - Answer️️ -200 In adult organisms, cell death must be balanced by cell growth. differentiation. renewal. migration. - Answer️️ -renewal The distinct series of changes that characterizes programmed cell death is called necrosis. apoptosis. sepsis. execution. - Answer️️ -apoptosis Cells that die as the result of acute injury undergo lysis. sepsis...

The eukaryotic cell cycle is composed of four phases in the following order: a. G1; S; G2; M b. G1; G2; S; M c. G1; M; G2; S d. S; G1; G2; M - ️️A 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). a. G1 b. S c. G2 d. M - ️️C In a typical cycling mammalian cell, _______ of the cell cycle is spent in interphase. a. 99% b. 95% c. 75% d. 50% - ️️B Cell cycles of e...

The plasma membrane barrier to passive diffusion is primarily a function of the membrane's a. phospholipids b. cholesterol c. proteins d. glycoprotein - ️️a mammalian erythrocytes (red blood cells) are particularly useful for studies of the plasma membrane because.. a. they have few peripheral proteins b. they have only one membrane, the plasma membrane c. their plasma membrane is not associated with a cytoskeleton d. their plasma membrane contains no cholesterol - ️️b Gor...

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. correct answers d. 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-stranded DNA. c. by adding dNTPs to a hyd...

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 correct answers 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 DNA polymerase III a more suitable enzyme for c...