DNA Replication and Mitosis

Front

What are the 4 nitrogen bases in DNA?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

What units are repeatedly joined together to form a strand of DNA?

Back

Nucleotides.

Front

Given the DNA strand 5'ATGCTCAGCTGA3', what is the corresponding DNA strand?

Back

3'TACGAGTCGACT5'.

Front

What is the enzyme that unwinds the DNA to prepare for replication?

Back

Helicase.

Front

What is the middle of a chromosome called?

Back

Centromere.

Front

What is the function of DNA polymerase?

Back

To synthesize new DNA strands by adding nucleotides.

Front

What is the role of helicase in DNA replication?

Back

To unwind the double helix structure of DNA.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar, while RNA contains ribose sugar.

Front

What is the process of copying DNA called?

Back

DNA replication.

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 crucial for replication and transcription.