DNA Replication 2024

Front

What is DNA replication?

Back

DNA replication is the process by which a cell makes an exact copy of its DNA, resulting in two identical DNA molecules.

Front

What are the two main strands involved in DNA replication?

Back

The two main strands are the leading strand and the lagging strand.

Front

What is the leading strand in DNA replication?

Back

The leading strand is the DNA strand that is synthesized continuously in the same direction as the replication fork.

Front

What is the lagging strand in DNA replication?

Back

The lagging strand is the DNA strand that is synthesized discontinuously in short segments, known as Okazaki fragments, in the opposite direction of the replication fork.

Front

What role does DNA polymerase play in DNA replication?

Back

DNA polymerase is the enzyme responsible for adding nucleotides to the growing DNA strand during replication.

Front

How many origins of replication are typically present in a eukaryotic DNA molecule?

Back

Eukaryotic DNA molecules can have multiple origins of replication, often several hundred, to allow for faster replication.

Front

What is the significance of the replication fork?

Back

The replication fork is the area where the DNA double helix is unwound, allowing for the synthesis of new DNA strands.

Front

What are Okazaki fragments?

Back

Okazaki fragments are short segments of DNA synthesized on the lagging strand during DNA replication.

Front

What is semi-conservative replication?

Back

Semi-conservative replication is the method of DNA replication in which each new DNA molecule consists of one original strand and one newly synthesized strand.

Front

What is the function of helicase in DNA replication?

Back

Helicase is the enzyme that unwinds the DNA double helix at the replication fork.