DNA Structure and Function Quiz

What is the function (job) of DNA?

• To store genetic information

• To provide energy to cells

• To transport oxygen

• To digest food

The shape of DNA is referred to as a:

• Double helix

• Single strand

• Triple helix

• Circular loop

Instead of Deoxyribose, the sugar in mRNA is:

• Ribose

• Glucose

• Fructose

• Sucrose

Which chemical pairs with adenine in DNA?

• Thymine

• Cytosine

• Guanine

• Uracil

Give a specific example of a mutagen (something that can cause a mutation).

• UV radiation

• Water

• Glucose

• Carbon dioxide

Tags

NGSS.HS-LS3-2

What type of mutation is represented here?

• Insertion

• Deletion

• Substitution

• Duplication

Tags

NGSS.HS-LS3-2

What type of mutation is represented here?

• Insertion

• Deletion

• Substitution

• Duplication

Tags

NGSS.HS-LS3-2

A chameleon is born with a mutation that prevents it from changing color. As a result, it is easily spotted by predators and is unable to survive and reproduce. This mutation is _________

• Helpful

• Harmful

• Neutral

• Beneficial

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

A person has a genetic mutation that changes one nucleotide in their DNA sequence. This mutation does not alter the amino acid sequence of the resulting protein and has no effect on the person's health or appearance. This type of mutation is _________

• Beneficial

• Harmful

• Neutral

• Fatal

Tags

NGSS.HS-LS3-2

A giraffe is born with a set of mutations that make it have a slightly longer neck than other giraffes. This giraffe is able to reach higher branches so they have more access to delicious leaves. This allows them to have better health and reproduce more frequently than their peers. This mutation is _________

• Helpful

• Harmful

• Neutral

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4