Cell Biology Final Essay

30074 Words Apr 22nd, 2012 121 Pages
Name: _Leroy Johnson __________________________________ Date: ______________Comprehensive Study Guide. Test will only be Multiple choice

1. The feature that most clearly separates eukaryotes from prokaryotes is the presence of _______ in eukaryotic cells. A) ribosomes B) oxidative phosphorylation C) DNA molecules -D) a nucleus

2. Cytoplasmic organelles are
- A) absent in prokaryotic cells; present in eukaryotic cells. B) present in both prokaryotic and eukaryotic cells. C) present in prokaryotic cells; absent in eukaryotic cells. D) absent in both prokaryotic and eukaryotic cells.

3. Eukaryotic chromosomes contain _______ DNA molecules. A) single linear B) single circular -C) multiple linear D)
…show more content…
B) identify the genes involved in differentiation of each cell type. C) observe the process of fertilization better than had been possible in the past D) follow the process of cell aggregation to form of a multicellular organism.

31. Arabidopsis thaliana is a model organism for studying the molecular biology of A) fruit flies. B) fungi. C) plants. D) vertebrates.

32. Drosophila melanogaster was the organism of choice for the study of A) the process of fertilization. B) the process of cell aggregation to form a multicellular organism. C) DNA replication. D) animal genetics.

33. Studies on which experimental organism led to the discovery of the gene controlling development of the animal body plan? A) Dictyostelium discoideum B) Drosophila melanogaster C) Xenopus laevis D) Mice

34. Which fish is proving to be a useful model organism for the study of vertebrate development? A) Salmon B) Goldfish C) Zebrafish D) Guppy

35. Compared to humans, E. coli has about a thousand times less DNA. A) True B) False

36. E. coli typically divides every two hours in good culture conditions. A) True B) False

37. Yeasts are simple eukaryotes. A) True B) False

38. Dictyostelium is a unicellular amoeba that can aggregate to form a simple multicellular organism. A) True B) False

39. Caenorhabditis elegans is an important organism for the study of

Related Documents