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
200
DNA is made up of monomers called _________________
nucleotides
200
What base does guanine (G) pair up with?
Cytosine (C)
200
What kind of DNA replication actually occurs?
A. Conservative
B. Semi-conservative
C. Dispersive
Semi-conservative replication
300
DNA looks like a twisted ladder. Its shape is called ______________________.
double helix
300
If a sample is DNA is 38% cytosine (C), what percent adenine (A) is it?
12%
300
Which of the following is the FIRST step in DNA replication?
A. Helicase unzips the double helix
B. DNA polymerase proofreads the strand
C. DNA polymerase unzips the double helix
D. Helicase proofreads the strand
A. Helicase unzips the double helix
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
500
What is the name of the sugar in DNA?
deoxyribose
500
Which two bases are purines?
Adenine and guanine
500
What is the name of enzyme responsible for making and proofreading the final daughter strands?