DNA Semester Final

Front

What is the name of the enzyme that unwinds and unzips DNA?

Back

DNA Helicase

Front

What is the primary function of DNA polymerase during DNA replication?

Back

Adding nucleotides to form a new DNA strand

Front

What holds the two strands of the DNA double helix together?

Back

Hydrogen bonds

Front

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

Back

Deoxyribose sugar and phosphate

Front

What is the role of DNA ligase in DNA replication?

Back

Joining Okazaki fragments on the lagging strand.

Front

What are the building blocks of DNA?

Back

Nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base.

Front

What are the four nitrogenous bases found in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), Guanine (G).

Front

What is the structure of DNA?

Back

A double helix composed of two strands of nucleotides.

Front

What is the function of RNA polymerase?

Back

Synthesizing RNA from a DNA template during transcription.

Front

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

Back

They indicate the directionality of the DNA strand, crucial for replication and transcription.