Cell Biology Genetic Engineering T7

Question 1

Step 1

Answer 1

Identify section of DNA that contains required gene from source chromosome.
Photo: strand of DNA with area highlighted.

Question 2

Step 2

Answer 2

An enzyme is used to extract/cut the require gene from source chromosome.
Photo: highlighted section being extracted from source chromosome.

Question 3

Step 3

Answer 3

Plasmid is removed from bacterial cell and cut open using enzymes.
Photo: plasmid opens for area for gene to go in.

Question 4

Step 4

Answer 4

Different enzyme is used to insert and seal the gene into the bacterial plasmid.
Photo: plasmid with highlighted area.

Question 5

Step 5

Answer 5

Altered plasmid is inserted into host bacterial cell.

Photo: bacteria cell with altered plasmid.

Question 6

Step 6

Answer 6

Bacteria cells are given optimum conditions to multiply, each bacterium produced has been genetically modified.
Photo: multiple bacteria with altered plasmid.

Question 7

Useful products obtained through genetic engineering.

Answer 7

Insulin and human growth hormones.