A small piece of circular DNA called a _______(1)______ is extracted from the
bacteria or yeast cell.
2. A small section is then cut out of the circular plasmid by ______(2)_______,
‘molecular scissor’.
3. The gene for human ______(3)_______ is inserted into the gap in the plasmid.
This plasmid is now genetically modified.
4. The genetically modified plasmid is introduced into a new
__________(4)_______ cell.
5. This cell then divides rapidly and starts making insulin.
6. To create large amounts of the cells, the genetically modified bacteria or yeast
are grown in large ________(5)_______ vessels that contain all the nutrients
they need. The more the cells divide, the more insulin is produced.
7. When fermentation is complete, the mixture is filtered to release the insulin.
8. The insulin is then purified and packaged into bottles and insulin pens for distribution to patients with diabetes.
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Answer:
4. plasmid
5.restriction enzymes
6. insulin
7.bacteria or yeast
8.fermantation
Explanation:
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