Among the GEFs which enzyme activities are present? 1. Polymerase 2. Helicase and polymerase 3. Helicase 4. Kinases 5. Ligases 6. Helicase and kinases

1. Which process aids in the attachment of a bacteriophage to its host cell? random collisions, chemical attractions, and receptor specificity chemical attractions both chemical attractions and random collisons receptor specificity random collisions

If Avery, MacLeod, and McCarty had determined that the transforming molecule was RNA, what experimental results would have been observed? O S cell DNA extracts treated with RNase would lyse the nucleus O S cell DNA extracts treated with RNase would not transform the R cells S cell DNA extracts treated with DNase would not transform the R cells O S cell DNA extracts would not transform the R cells at all O none of the answers are correct

23 Environmental factors typically activate genes in a cell by causing the cell to- A produce identical daughter cells through mitosis B form haploid gamete cells through meiosis fuse with another cell to increase the size of its genome D transcribe specific DNA segments to mRNA for translation Biology Page 16

2. Which of the following is a true statement concerning condons? Condon specifies one amino acid is found in all eukaryotes, but not in prokaryotes will be read by RNA polymerase during transcription is composed of two nucleotides is comprosed of three amino acids

Which proteins are required for RNA synthesis? Helicase Primase Sigma factor Ligase RNA polymerase  3 and 5 only 4 and 5 only 1, 2 and 4 only 2, 4 and 5 only 1, 2, 3, 4 and 5

29. Dr. Doom wants to prevent a cell from entering the lysogenic pathway, which gene controlled by PRM would Dr. Doom target for inactivation? Group of answer choices 1. cro 2. cI 3. cII 4. Q

What is the predicted function of the Duffy gene? O Cell Adhesion Molecule O Microfilament RNA Polymerase III O Chemokine Receptor O Transcription Factor

50 An RNA which has a functional group that allows to act as a catalyst a generally caled A SRP B snRNP C cofactor D nbozyme E transcription factor

Which enzyme is required for the movement in DNA-only transposons? Group of answer choices Reverse transcriptase and Integrase Reverse transcriptase and endonuclease Transposase Integrase   Reverse transcriptase Endonuclease