DNA technology Review

Which of the following is a circular piece of DNA from bacteria that can hold a foreign gene?

• plasmid

• restriction enzyme

• ligase

• protein expression

Which of the following is a protein that acts as DNA scissors?

• plasmid
• restriction enzyme
• ligase
• protein expression

Which two bat species are most closely related?

•  Bat 1 and Bat 2
• Bat 1 and Bat 3
• Bat 2 and Bat 3
• There’s no way to tell

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Gel electrophoresis enables scientists to

• separate DNA fragments.
• combine DNA fragments.
• count the genes in DNA.
• insert DNA in cells.

When exogeneous DNA is inserted in bacterial DNA to create insulin, it is called

• viral DNA
• bacterial DNA
• recombinant DNA
• transcribed DNA

DNA fingerprinting works because

• Most genes are dominant
• Most people have DNA that contains same repeats

• The most important genes are different among most people
• No two people have exactly the same DNA 

What is the definition of genetic engineering?

• Studying the DNA of plants and animals

• Making changes in the DNA code of living organisms

• The discovery of DNA

• Using DNA to reproduce organisms

A ____________ is required to transfer genes from one organism to another.

• vector
• reverse transcriptase
• restriction enzyme

• DNA polymerase

Which sequence of DNA bases would pair with this partial strand TAC TTT CGC

• TAC TCT GGG

• TAC TTT GTC

• ATG AAA GCG

• AAC CGA TAG

DNA has a _________ charge.

• positive

• opposite

• negative

• attractive