190. What site in the large ribosomal unit will the first anticodon/initiator tRNA enter? A.P site B.Start anticodon C.A site D.E site

In any given species, there are at least how many types of aminoacyl tRNA synthetases? a. 20 b. 40 c. 100 d. 200

Transcription in prokaryotic cells O A. is initiated at a promoter and uses only one strand of DNA (the template strand) to synthesize a complementary RNA strand. B. occurs in the nucleus, whereas translation occurs in the cytoplasm. C. is terminated at a stop codon. D. does not need a promoter. O E. is initiated at a start codon with the help of initiation factors and the small subunit of the ribosome. 5

Choose the item in column 2 that best matches each item in column 1. A. Provides information for production of protein B. Binds to promoter C. Promoter has a box A and box B consensus sequences D. Autocatalytic RNA molecules E. Associated with transcription termination F. Polymerization of ribonucleotides to form RNA molecules G. 7-methyl guanosine H. MRNA prior to processing select - 1. Core RNA polymerase select 2. rho (p) factor select 3. hnRNA select - 4. RNA select -5. RNA polymerase holoenzyme select 6. Ribozymes select - 7. 5' MRNA cap select 8. MRNA

Which of the following are involved in transcription?Select all that apply a. rRNA b. DNA c. acetyl transferase d. tRNA e. ribosome f.a mino acids g. RNA polymerase h. mRNA

Of the following, which is a modification made to the pre-mRNA of eukaryotes before translation?   a. The 5’ end receives a poly-A tail   b. All of the above   c. The 3’ end receives a cap   d. Introns are cut out and exons are spliced together

The mature m-RNA is capped by which of the following heterocyclic bases (or which of the following heterocyclic bases are present on the cap of a mature m-RNA? a. 5-methylcytosine b. 5-methyguanine c. 7-methylguanine d. 7-methylcytosine