DNA Quiz review

Match the nucleotide with its complementary nucleotide. (DNA to DNA).

Cytosine-

• Thymine

• Guanine

• Adenine

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

DNA codes for...

• bases
• proteins
• amino acids
• phosphates

Tags

NGSS.HS-LS1-1

the process of making a copy of DNA

• transcription
• double helix
• DNA replication
• replication fork

If one strand of DNA says GCT, the other strand says:

• GCT

• CTA

• CGA

• TCG

What is the purpose of PCR?

• Create many copies of DNA fragments

• Create a DNA fingerprint

• Remove DNA from a sample

• Cut the DNA into smaller pieces

Restriction Enzymes . . . 

• cut DNA at precise locations
• help bacteria to pick up DNA
• move DNA through a gel
• copy DNA

Collection of DNA fragments that can be used to identify genetically unique individuals

• Amplify

• DNA Ladder

• DNA Fingerprint

• DNA Analysis

Bob was found dead in his home.  Crime scene analysis showed signs of a struggle.  Blood was collected from the crime scene, the victim, and three suspects.  Which suspect likely committed the crime? 

• Sue
• Lisa
• John
• None of these

DNA fingerprinting works because

• Most genes are dominant
• All organisms contain RNA
• The most important genes are different among most people
• No two people, except identical twins, have exactly the same DNA