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3.1 The diagram below represents protein synthesis that takes place in a human cell. In the diagram, the first 7 triplets of nitrogenous bases that form part of the gene coding for one chain of the haemoglobin (protein) is represented. DNA template 1 2 3 4 5 6 7 TTT CÁC GTG GAC TGA GGA CTC CTC 11 GAG GAG MRNA 8. 묘 CAC 9 10 GTG CAC CTG ACT CCT GAG GAG 3.1.1 How many of the following are coded for in the DNA template sequence represented in the above diagram: (a) RNA nucleotides (b) Genes (c) Amino acids 3.1.2 Write down the nitrogen base sequence of mRNA triplets labelled 8–11. 3.1.3 Using the table below, determine the amino acid sequence coded by triplet number 1 to triplet number 4. Anticodons on TRNA CUC GUG Amino acid Glutamate Histidine Proline Leucine Threonine Valine GGA GAC UGA CAC

3.1 The diagram below represents protein synthesis that takes place in a human cell. In the diagram, the first 7 triplets of nitrogenous bases that form part of the gene coding for one chain of the haemoglobin (protein) is represented. DNA template 1 2 3 4 5 6 7 TTT CÁC GTG GAC TGA GGA CTC CTC 11 GAG GAG MRNA 8. 묘 CAC 9 10 GTG CAC CTG ACT CCT GAG GAG 3.1.1 How many of the following are coded for in the DNA template sequence represented in the above diagram: (a) RNA nucleotides (b) Genes (c) Amino acids 3.1.2 Write down the nitrogen base sequence of mRNA triplets labelled 8–11. 3.1.3 Using the table below, determine the amino acid sequence coded by triplet number 1 to triplet number 4. Anticodons on TRNA CUC GUG Amino acid Glutamate Histidine Proline Leucine Threonine Valine GGA GAC UGA CAC

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Life Sciences February 2021 NSC - Grade 12 Informal test 2 (DNA) QUESTION 3 3.1 The diagram below represents protein synthesis that takes place in a human cell. In the diagram, the first 7 triplets of nitrogenous bases that form part of the gene coding for one chain of the haemoglobin (protein) is represented. DNA template 1 2 3 4 5 6 CÁC GTG GAC TGA GGA CTC CTC |8 CAC 9 10 11 GAG GAG MRNA GTG CAC CTG ACT CCT GAG GAG How many of the following are coded for in the DNA template sequence represented in the above diagram: 3.1.1 (a) RNA nucleotides (1) (b) Genes (1) (c) Amino acids (1) Write down the nitrogen base sequence of mRNA triplets labelled 8–11. 3.1.2 (4) Using the table below, determine the amino acid sequence coded by triplet number 1 to triplet number 4. 3.1.3 Anticodons on tRNA Amino acid CUỤC Glutamate GUG GGA GAC Histidine Proline Leucine UGA Threonine CAC Valine (4) (11) TOTAL SECTION6 B6 GRAND TOTAL: 40 50 Copyright reserved
Transcribed Image Text:Life Sciences February 2021 NSC - Grade 12 Informal test 2 (DNA) QUESTION 3 3.1 The diagram below represents protein synthesis that takes place in a human cell. In the diagram, the first 7 triplets of nitrogenous bases that form part of the gene coding for one chain of the haemoglobin (protein) is represented. DNA template 1 2 3 4 5 6 CÁC GTG GAC TGA GGA CTC CTC |8 CAC 9 10 11 GAG GAG MRNA GTG CAC CTG ACT CCT GAG GAG How many of the following are coded for in the DNA template sequence represented in the above diagram: 3.1.1 (a) RNA nucleotides (1) (b) Genes (1) (c) Amino acids (1) Write down the nitrogen base sequence of mRNA triplets labelled 8–11. 3.1.2 (4) Using the table below, determine the amino acid sequence coded by triplet number 1 to triplet number 4. 3.1.3 Anticodons on tRNA Amino acid CUỤC Glutamate GUG GGA GAC Histidine Proline Leucine UGA Threonine CAC Valine (4) (11) TOTAL SECTION6 B6 GRAND TOTAL: 40 50 Copyright reserved
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