Question
I'm having a hard time with my exam. I would love some help. they are multiple choice. please help with every question and why it's the answer.
35. Which of the following is not a transcription factkor? a. promoter-proximal element b. TATA-binding protein (TBP) c Activator Repressor e all of the oprions are coerect 36. Which of the following is not a sequence in a a, promater-proximal element b. mediator POmoter 37. The functioning of activators and enhancers is an a. chromatin remodeling ranscriptional control of geng expression transcriptional 38. Imagine that you are st y udy ing the control offß-gkobin gene expressios in immature red blood cells (Matare red blsod ls contain B-globin protein but lack a nucleus and, therefore, the p-globin gene If you deleted a outside the protein coding region of the p-globin gene and found that this increased the rate of wanseription, the delcteod a, a promoter b a promoter-proximal element c. an enhancer d. a silercer 39. If ceils of an individual contain the same set of genes, haw do these cells become different from each other during development? ? Different cell type-specific regulatory elements in DNA are created during development b. Different cell type-specific regulatoey elements in DNA are selectively lost durirg development. c. Differences in extracellular signals received by rach cell lead to differences in the types of regulnory proteins present in each ceil d. Differences develop in promoter sequences that lead to different signals being prodaced by each type of cell 40. The primary difference berween enhancers and proesoter-proximal elesments is that enhancers a. are transcription factors; promoter proximal elemeis are DNA sequences b. enhance transcription; promoter-proximal elements inhibig transcription c are part of the promoter, promoter-proximal elements are regulatory swquences distinet from the promoncr d. are at considerable distances from the promoter, proemoter-proximal elements are close to the promotes d. are at considerable distarmal regula e. are DNA sequences; promoter-proximal elements are protems The protein p53 activates genes that a increase mutation rate b. lead to higher production of prowtls Factors for c. imcrease the rate of endocytosis d. arres the cell cyc e. Cause uncoeohable cell drvision 41. the cell Listed below are the events of a generalized virus life cyele, but they are out of chronoogical order. Use this information to answer question 42 i. Replication of the viral genome and prolein synthesis ii Release of the virus from the infected cell iii. Entry into the cell and uncoating of the viral envelope (f presem anvd capsid Attachment of the virus to a specific molecule on the outside of the host cel v. Assembly of the viral genome and capsid to make the rvext generation of vwuses 42. Which of the following puts the events in the correst chronological order? a. i, ii, iii, iv, v b. iv, iii, i, v, ii c. iv. i, iii, v, ii d. ii, iv, i, v, ii e. iii, iv, v, i, ii
Explanation / Answer
35. The correct option is e. No one in the options are transcription factor.
36. The correct option is b. Mediator interacts with transcription factors and RNA polymerase.
37. The correct option is c. Both are examples of post transcriptional modifications.
38. The correct option is d. silencer decreases the rate of transcription.
39. The correct option is c.
40. The correct option is d. p53 is a tumor suppressor protein.
41. The correct option is b.
