Second Letter UCC Ser UAG UAA Stop UGA Stop A UAG Leu UCA CAU His cau CGC Arg 3r

Question

Second Letter UCC Ser UAG UAA Stop UGA Stop A UAG Leu UCA CAU His cau CGC Arg 3rd 1st CUA CGG CUG letterAUU AUA AGA |Arg AUG Met ACG GAU Asp GGU GUA GUG Glu GGA 39. What amino acid does the codon "AGC" specify? a. Leucine b. Arginine Serine d. Isoleucine e. STOP : ier 40. What is the anticodon for the tRNA that pairs up with "AGC 'UFO a. AGC b. AUC c. TCG CGA UGo UCG 41. What polypeptide would be produced from the following mRNA: 5'-ACCGtUAUGGCCCGGUACCAUGCCUAAC-3 a. Met-Ala-Arg-Tyr-His-Ala b Thr-Val-Trp-Pro-Gly-Thr-Met-Pro-Asp c- Thr-Val-Trp-Pro-Arg-Tyr-His-Ala d. Gin-Ser-Val-Pro-Trp-Pro-Gly-Met-Pro e. Met-Thr-Val-Trp-Pro-Gly-Thr-Met-Pro-Asp 42. How many different kinds of nucleotides are there in DNA? c. 20 64 43. At which stage do homologous chromosomes separate in meiosis? a Metaphase II b. Anaphase II c. Anaphase I d. Metaphase I e. Telophase II

Explanation / Answer

39) Serine will be the answer as it can be seen in the chart.

40) UCG will be the answer because anticodon are always the complementary of codon

41) the answer will be b.As three bases combine to form a single genetic codon ( for eg: AUG it codes for methionine) hence it can be determined using the table.ACC condes for thr ; GUA for valine ; UGG for tryptophan; CCC for proline and so on.

42) 4 different kind of nucleotides are there in DNA ( deoxyadenosine dATP, deoxyguanosine dGTP , deoxycytidine dCTP, deoxythymidine dTTP).it can't be 64 because genetic codon are 64 not nucleotides.

43) they separates in anaphase I.

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