TAMU BIOL 213 - Practice_Final_F17 (5 pages)

Previewing pages 1, 2 of 5 page document View the full content.
View Full Document

Practice_Final_F17



Previewing pages 1, 2 of actual document.

View the full content.
View Full Document
View Full Document

Practice_Final_F17

77 views


Pages:
5
School:
Texas A&M University
Course:
Biol 213 - Molecular Cell Biol
Molecular Cell Biol Documents

Unformatted text preview:

BIOL 213 504 Final Exam Study Guide PART 1 Multiple Choice Circle the best answer s 1 Lipid derived secondary messengers are generated by the action of a phosphatases b phosphodiesterases c phospholipases d phosphoribosyl transferases e none of the above 3 The codons for amino acids are a triplet b overlapping c degenerate d a and c 4 The nucleosomal core histones include a H1 H2A H2B and H3 b H1 H2A H2B and H4 c H2A H2B H3 and H4 d H1 H3 H4 and H5 e none of the above 5 The DNA binding domains of DNA binding proteins most likely do not include a acidic amino acids b hydrophobic amino acids c basic amino acids d a and b 6 Which of the following is not a property of stem cells a They are self renewing b Under appropriate conditions they can differentiate into different cell types and tissues c They have great medical potential d They always come from embryos e None of the above 7 Caspases are a DNA repair enzymes b kinases c phosphatases d phosphodiesterases e proteases 8 Many human tumors carry mutations in a caspases b p21 c p53 d PolI e b and c 9 Proteins that bind enhancer sequences almost always a have basic amino acids in their DNA binding domains b bind cis regulatory elements upstream of the core promoter they regulate c bind to pre mRNAs d a and b 10 The implications of alternative splicing are a the same transcription unit can encode several different proteins b gene expression can be regulated at the post transcription level c evolution of new gene functions is facilitated d a and b e a b and c 11 ras is a an oncogene b a tumor suppressor gene c a transcription factor d none of the above e a b and c 12 p53 is a an indirect inhibitor of cyclin dependent kinase b a tumor suppressor gene c a transcriptional activator of p21 d none of the above e a b and c 13 How many transmembrane helices does a G protein coupled receptor have a 6 b 7 c 10 d 12 e 14 14 The exonuclease activities of DNA polymerase I are used to a replicate the E coli chromosome b proofread newly synthesized strands c maximize the fidelity of replication d b and c e a b and c 15 Semiconservative replication means that a each daughter strand will have one of the parental strands and one new strand b one daughter duplex will be entirely new and the other will have both original parental strands c both daughter duplexes will be entirely new and the parental duplex will be degraded d each strand of each daughter duplex will have parts of the parental strands and parts of new strands 16 p21 a is an inhibitor of G1CDK b acts during cell differentiation to block the cell cycle at G1 S c is transcribed from



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Practice_Final_F17 and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Practice_Final_F17 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?