Structure of DNA and Mutations

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

What are the nucleotides made of?

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

If a strand reads:

A A A T T T C

The matching strand would read...

• T T T A A A G

• T T T A A A T G

• A A A T T T C

• U U U A A A G

If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?

• 30
• 15
• 20
• 60

What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A

• Substitution
• Deletion
• Insertion
• Frameshift 

Tags

NGSS.HS-LS3-2

Are all mutations bad?

• Yes
• No

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

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

• cytosine
• guanine
• thymine
• uracil

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.

• Substitution
• Insertion
• Inversion
• Translocation

Tags

NGSS.HS-LS3-2

What is shown in the diagram shown?

• DAN
• RAN
• DNA
• RNA

Tags

NGSS.HS-LS1-1