DNA and Mutations

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine

• adenine, thymine cytosine, and guanine

• adenine, thymine, cytosine, and gylcerol

• adenine, thymine, cytosine, and glucose

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG

Most mutations occur randomly

• True

• False

Tags

NGSS.HS-LS3-2

An environment becomes colder. Some of the rabbits which live there have a mutation that causes their fur to be longer and thicker allowing them to stay warmer. This is an example of a

• positive mutation

• negative mutation

• neutral mutation

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Between 6,000 and 10,000 years ago a mutation led to blue eyes in humans. This is an example of a

• positive mutation

• negative mutation

• neutral mutation

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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

• Substitution

• Deletion

• Insertion

• Inversion

Tags

NGSS.HS-LS3-2

Which organelle is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

What is the definition of DNA mutation? 

• The original DNA strand

• The strand with four pairs 

• A change in the DNA strand

• The strand in a double helix 

Tags

NGSS.HS-LS3-2

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base

• Phosphate, Adenine, nitrogen base

• Thymine, Adenine, Cytomine

• Phosphate, Nitrogen, Adenine

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine