DNA Structure and Replication Review Study Guide

Front

What is the complementary DNA sequence for the strand ATG TGA CAG?

Back

TAC ACT GTC

Front

What type of bond joins nitrogenous bases in DNA?

Back

Weak hydrogen bonds

Front

What term describes the method of DNA replication where each new DNA molecule contains one original and one new strand?

Back

Semi-conservative replication

Front

In double-stranded DNA, which nitrogenous base pairs with Adenine?

Back

Thymine

Front

What is the five-carbon sugar found in DNA?

Back

Deoxyribose

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

What is the structure of DNA described as?

Back

A double helix

Front

What is the role of DNA polymerase in DNA replication?

Back

To synthesize new DNA strands by adding nucleotides complementary to the template strand.

Front

What is the significance of the 5' and 3' ends of a DNA strand?

Back

They indicate the directionality of the DNA strand, which is important for replication and transcription.

Front

What is the function of helicase in DNA replication?

Back

To unwind the double helix and separate the two strands of DNA.