MMSC 490 Final Exams(Already Graded A+)

cytoplasmic organelles are: a. absent in prokaryotic cells and present in eukaryotic cells. b. present in both prokaryotic and eukaryotic cells. c. present in prokaryotic cells and absent in eukaryotic cells. d. absent in both prokaryotic and eukaryotic cells. correct answers a. absent in prokar...

Aminoacyl-tRNA syntheses are enzymes that.... correct answers attach amino acids to specific transfer RNAs Which of the following statements about introns is true? correct answers Some types of organisms generally do not have introns The primary function of factor EF-G is to... correct answers...

The diffraction limited resolving power of a standard light microscope is approximately? correct answers 0.2 micro meter Studies on which model experimental organism led to the initial discovery of important mechanisms controlling the development of the animal body plan? correct answers Drosophil...

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....

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 correct answers 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 t...

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 lip...

The feature that most clearly separates eukaryotes from prokaryotes is the presence of _______ in eukaryotic cells. correct answers a nucleus The original cell was thought to have arisen from the enclosure of self-replicating _______ by a phospholipid membrane. correct answers RNA The sour...

Which energy-producing process is thought to have come first during cellular evolution? correct answers Glycolysis The initial importance of a membrane enclosing self-replicating RNA molecules and associated proteins was that it correct answers maintained these molecules as a unit capable of repr...

Cytoplasmic organelles are correct answers absent in prokaryotic cells and present in eukaryotic cells. E. coli is a useful model system for molecular biology studies because correct answers All of the above Arabidopsis thaliana is a model organism for studying the molecular biology of correct...