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Draw and label a diagram of the carbon cycle to show the processes involved.

Carbon is one of the main elements found in all organic molecules including carbohydrate, protein and lipid.

 

Processes:

·      Ph...

ZK
14831 Views

Explain the energy flow in a food chain.

▪       Energy enters most communities as light, where it is absorbed by autotrophs (e.g. plants) and converted into chemical energy via photosynthesis

ZK
21991 Views

Discuss the potential benefits and potential harmful effects of one example of genetic modification.

Example: The transfer of a gene that codes for a protein called Bt toxin from the bacterium Bacillus thuringiensis to maize crops. (i.e. Bt Corn)

 

Potential B...

ZK
12859 Views

State two examples of current uses of genetically modified crops or animals.

Genetically modified organism (GMO) is an organism containing a transplanted gene.

 

Factor IX: A human clotting factor is produced by gene...

ZK
6287 Views

Outline a basic technique used for gene transfer involving plasmids, a host cell (bacterium, yeast or other cell), restriction enzymes (endonucleases) and DNA ligase.

The human gene that codes for insulin can be inserted into a plasmid and then this plasmid can be inserted into a host cell such as a bacterium. The bacterium can then synthesis insulin which can be c...

ZK
17354 Views

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