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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

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ZK
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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...

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12939 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
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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
17475 Views

Outline three outcomes of the sequencing of the complete human genome.

The Human Genome Project (HGP) was an international cooperative venture established to sequence the 3 billion base pair (~25,000 genes) in the human genome.

 

The outcomes of this proj...

ZK
19831 Views

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