Dna Protein Synthesis Recombinant Dna Test printable pdf download

Dna Protein Synthesis Recombinant Dna Test

DNA, Protein Synthesis and Recombinant DNA

DNA, Protein Synthesis, Recombinant DNA

Give the purpose of each of the following steps in the process of protein synthesis.

a) Ribosome moving along a mRNA: (1 mark)

Reading the mRNA codon sequence

b) Adenine bonding to thymine: (1 mark)

Synthesis of mRNA

c) Forming of peptide bonds: (1 mark)

Elongation of the protein (peptide)

If adenine is located on strand Z as shown, then on strand X at the

same location must be

A. uracil. B. adenine. C. thymine. D. cytosine.

Using the table below, list three structural differences between RNA and DNA. (3 marks)\

DNA

RNA

Double stranded

Single stranded

Deoxyribose sugar

Ribose sugar

Bases = CGTA

Bases = CGAU

A section of DNA has the following sequence of nitrogenous bases: CGA TTA CAG

Which of the following sequences would be produced as a result of transcription?

A. CGT UUT CTG

B. GCT AAT GTC

C. CGA UUA CAG

D. GCU AAU GUC

a) Define recombinant DNA. (1 mark)

When DNA from one species is inserted into the DNA of a second species

b) Describe two uses for recombinant DNA. (2 marks)

•

Cloning Genes – copies of genes can be reproducedm

•

Producing Biotechnology Products – produce hormones, proteins and vaccines (e.g.

insulin)

•

Making Transgenic Organisms – alter plants and animal for agriculture

(e.g. strawberry

plants that produce more strawberries)

•

Gene Therapy – treat genetic disorders (e.g. insert healthy gene into the cells of an

individual)

Dna Protein Synthesis Recombinant Dna Test