DNA/Restriction Enzymes

1. The DNA base sequences recognized by Endonuclease are called

• a).Restriction Site

• b). Recognition Site

• c).Fragmentation Site

• d).cutting Site

Restriction Enzymes are isolated from :

• a).Protozoa

• b). Bacteria

• c).Virus

• d).Fungi

What is a restriction enzyme?

• An enzyme that cuts DNA

• An enzyme that add to the DNA strand

• An enzyme that builds proteins

• An enzyme that breaks down lipids

How many fragments resulted from the cut above?

• 1

• 2

• 3

• 4

What kind of cuts were made in the scenario above?

• Blunt

• Sticky

• No cuts were made

• Palindrome

Another name for a restriction enzyme is...

• an endonuclease

• an extremophile

• Taq polymerase

• a pallindromic ligase

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine