Biotechnology

What is the structure of DNA?

• double helix
• ladder
• twisted helix
• double ladder

What are the four bases that make up DNA?

• AUCG
• ABCD
• ATCG
• ATCU

Which male is the father of this child?

• Male 1
• Male 2
• Neither could be the father
• Either could be the father

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Whose blood was found at the crime scene?

• John
• Lisa
• Bob
• Sure

Gel electrophoresis is used to separate DNA fragments on the basis of which property?

• size

• color

• functions

• chromosomes

In preparation for an electrophoresis procedure, enzymes are added to DNA in order to

• convert the DNA into gel

• cut the DNA into fragments

• change the color of the DNA

• produce longer sections of DNA

Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?

• DNA is negatively charged so attracted to the positive end of the unit
• DNA is positively charged to attracted to the negative end of the unit
• the agarose gel in negatively charged
• the agarose gel is positively charged

What is the structure of DNA?

• double helix
• ladder
• twisted helix
• double ladder

Which of the following is true of transgenic organisms?

• Transgenic organisms have genes from a different species

• Transgenic organisms have genes from their same species

What is bacterial transformation?

• When bacterial DNA has new genes added to it

• When bacterial DNA turns into RNA

• When bacterial DNA is dissolved by scientists

• When bacterial DNA combines with a virus' DNA