Revision sections 4 and 5

What part of the cell allows them to recgonise specific substances?

(a)  

What are the functions of proteins?

• Structural

• Hormones

• enzymes

• antibodies

Identify the steps of genetic engineering in the correct order.

• 1. inserting the plasmid into the bacterium.

  2. Extracting the gene.

  3. inserting the gene into the plasmid.

  4. Identifying a section of DNA.

  5. Extractig the plasmid.

• 1. Extracting the plasmid.

  2. Extracting the gene.

  3. Identifying a section of DNA.

  4. Inserting the gene into the plasmid.

  5. Insering the plasmid into the bacterium.

• 1. Identifying a section of DNA.

  2. Extracting the gene.

  3. Extracting the plasmid.

  4. inserting the gene into the plasmid.

  5. Inserting the plasmid into the bacterium.

Normal control of bacterial cell activity depends on genetic information.

• True

• False

The shape of a protein does not affect it's function.

• True

• False

A change in the (a)   of an enzyme will affect its rate of reaction.

What are antibodies made of and what is their function?

(a)  

During genetic engineering pieces of chromosome can be transferred from...

• a recipient to a donor

• a donor to a recipient

What is the function of structural proteins?

(a)  

Hormones are described as...

(a)