A22. The \"charging-reaction for tRNAs refers to a. binding of the codon to the

Question

A22. The "charging-reaction for tRNAs refers to a. binding of the codon to the anticodon e.formation of peptide bonds b. binding of methionyl-tRNA to the P site d. connecting the amino acid to the tRNA A23. Within cukaryotie genes, the proximal promoter elements are located a. More than a thousand base pairs away from the transcript start b. Within the transcribed region of the gene c. Within the 5 UTR d. Upstream of the TATA, within a few hundred base pairs e. Between the TATA and the transcript start site A24. RNA polymerase uses template. as a substrate (monomer) and as a a. deoxyribonucleotide triphosphates; DNA b, ribonucleotide triphosphates; RNA c. deoxyribonucleotide triphosphates; RNA d. ribonucleotide triphosphates; DNA e. ribose; DNA A25. Which of the following involves RNA to RNA base pairing? a tRNA structure b. codon-anticodon recognition e. prokaryotic term d. all of the above A26. All of the chromosomes in a human karyotype a. are the same size b. ha d. contain the same number of DNA molecules ve the same banding pattern c. contain the same number of genes e. have the centromere at the relative location A27. DNA replication begins at and new material is added to the growing molecules at their ends. b. origins; 5 a. Origins; 3 c. promoters; 3" d. promoters; 5 A28. The two strands of the double stranded DNA molecule are held together (to each other) by a. Hydrogen bonds between the bases b. phosphodiester bonds between adjacent nucleotides c. hydrogen bonds between the sugars nucleotides d. phosphodiester bonds between complementary A29. In DNA, A base pairs with T. In RNA A base pairs with a. G b. U c. C d. T A30. Please put your name on your essay pages and bubble in “A" on your scantron. I mean it. This is a real question and you will NOT get the points if you don't put your name on your test!

Explanation / Answer

22. The answer is d. Connection the amino acid to the tRNA.
The amino acids binds to cca arm of the tRNA and aminoacyl tRNA synthatase plays a crucial role in this charging of tRNA reaction.

23. The answer is a. More than a thousand base paris away form the trasncript start

24. The answer is d. ribonucleotide triphosphates, DNA.

25. The answer is d. all of the above.

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