DNA Structure
Base-Pairing
DNA Replication
DNA Functions & Facts
100
What kind of macromolecule is DNA? A. Protein B. Carbohydrate C. Enzyme D. Nucleic acid E. Lipid
D. Nucleic acid
100
What base pairs up with adenine (A)?
Thymine/T
100
DNA replication produces daughter strands that are _____________________ the original strand. A. identical to B. similar to C. different from
A. identical to
100

What is the main function of DNA?

To store genetic information

200
DNA is made up of monomers called _________________
nucleotides
200
What base does guanine (G) pair up with?
Cytosine (C)
200

Why does DNA replicate?

So each new cell gets an identical copy of DN

200

Where in the cell is DNA found?

In the nucleus

300
DNA looks like a twisted ladder. Its shape is called ______________________.
double helix
300

If one strand reads ATCGTA, what would the complementary strand read?

TAGCAT

300

What happens first during DNA replication?

The DNA “unzips” or separates into two strands

300

What does DNA stand for?

Deoxyribonucleic acid

400
Each nucleotide has three parts. Name them.
Base, sugar, phosphate
400
If a DNA sample is 38% cytosine (C), what percent is guanine (G)?
38%
400

What is a mistake in DNA called?

A mutation

400

What part of the nucleotide varies among different DNA molecules?

The nitrogen base

500
What is the name of the sugar in DNA?
deoxyribose
500

What bonds the base pairs together?

Hydrogen Bonds

500

What enzyme “unzips” the DNA molecule?

Helicase

500

Who used X-ray images to help discover DNA’s shape?

Rosalind Franklin

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