DNA, Genetic Engineering and Senses- Extra Time

Which of the following describes genetic engineering?

• The artificial manipulation of genes

• The natural changing of DNA

• The differences among members of the same species

• The way in which living things change genetically to produce new forms of life over long periods of time

The removal of the chromosome from the human cell and the plasmid DNA from the bacteriais called...

• Isolation

• Ligation

• Transformation

• Expression

Restriction enzymes are used for what purpose?

• To cut the chromosome to get the gene needed

• To attach the gene to the plasmid

• To clone the bacterial cells

• To obtain the product from the bacteria

List the stages of genetic engineering in the correct order

• Cloning , Isolation , Cutting , Expression

• Isolation , Cutting , Cloning , Expression

• Expression , Cloning , Isolation , Cutting

• Cloning , Isolation , Expression , Ligation

What is the function of DNA ligase?

• To cut the chromosome to obtain the target gene

• To attach the gene to the plasmid

• To cut a section of plasmid to make space for the gene

• To breakdown the cell walls of the bacteria

The uptake of DNA into the host cell is known as...

• Cloning

• Ligation

• Transformation

• Expression

The making of the product by the organism (bacteria) with the recombinant DNA is known as...

• Cloning

• Ligation

• Transformation

• Expression

Which of the following is a loop of DNA found in bacteria?

• Plasmid

• Pseudopod

• Nucleus

• Chromosome

Which of the following is an example of genetic engineering in plants?

• Inserting a gene for herbicide resistance into corn plants

• Breeding to strains of maize plants to make a stronger offspring

• Adding fertiisler to soil to grow barley plants

• Using LED lights to growing roses indoors

What are the names of the light receptors in the eye?

• Rods and cones

• Spiral and Conical

• Round and rod

• Spiral and round