8) Answer questions 16-18 using the illustrations of the amino acid below: 16) W

Question

8) Answer questions 16-18 using the illustrations of the amino acid below: 16) Which drawing, A, B, C, or D, illustrates the amino acid at a low pH? PLACE ANSWER HERE H,N-C-COO HN-C-COO (CH24 (CH2)4 17) Which drawing, A, B, C or D, illustrates the amino acid at a neutral pH? A NH2 BNH2 PLACE ANSWER HERE H,N-C-COOH,N-C COOH 18) Which drawing, A, B, C or D, illustrates the zwitterion form of the amino acid? (CH24 +NH, PLACE ANSWER HERE NHy 19) DNA polymerase produces the 5' end of daughter strands first when it replicates a. the 5'to 3'parent strand b. the 3' to 5' parent strand c. either parent strand d. none of the above (a through c) is correct, since DNA polymerase only produces 3' to 5' daughter strands 20) The discovery of enzymes made the science of genetic engineering possible for the amino acids that the given mRNA sequence would code for in the blanks provided: GIVEN mRNA SEQUENCE: 5' ACG-AAA-AGU-GCc-GAU-UGC 3' 21-23) Use the table of the genetic code from your lecture slides to write the three letter abbreviation AMINO ACID SEQUENCE 5' 3' 24) Write the complete common name of the DNA nucleotide that contains the heterocyclic base thymine.

Explanation / Answer

D represents the amino acid at low pH.

B illustrates the amino acid at neutral pH.

B represent the zwitterion form of the amino acid.

DNA polymerase produces the 5' end of daughter strands first when it replicates the 3' to 5' parent strand.

The discovery of DNA ligase, restriction endonuclease and DNA modifying enzymes made the science of genetic engineering possible.

5' threonine-lysine-serin-alanine-aspartic acid-serin-alanine-aspartic cysteine 3'

The common name of DNA nucleotide that contains heterocyclic base thymine is pyrimidine.

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