DNA2

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

• cytosine

• guanine

• thymine

• uracil

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

order of replication

• 3, 2, 1, 4

• 2, 1, 4, 3

• 2, 3, 1, 4

• 3, 4, 1, 2

Tags

NGSS.HS-LS3-2

DNA replication results in two DNA molecules,

• each one with two original strands

• each one with two new strands

• each one with one new strand and one original strand

• one with two new strands and the other with two original strands

The enzyme that unzips the DNA to prepare for replication

• helicase

• replicase

• polymerase

• synthase

What is the correct complimentary strand for the following DNA?ATCGAG

• TACGAG

• ATCGAG

• TAGCTG

• TAGCTC

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

Tags

NGSS.HS-LS3-2

In what phase of the cell cycle does DNA replication take place?

• G1

• S

• G2

• M

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein