DNA Structure and Replication

Front

What is the structure of DNA?

Back

DNA is structured as a double helix, which resembles a twisted ladder.

Front

What are the building blocks of DNA?

Back

The building blocks of DNA are nucleotides, which consist of a phosphate group, a sugar (deoxyribose), and a nitrogenous base.

Front

How many DNA molecules are present at the end of replication?

Back

At the end of replication, there are 2 DNA molecules.

Front

What are the complementary base pairs in DNA?

Back

The complementary base pairs in DNA are Adenine (A) with Thymine (T) and Cytosine (C) with Guanine (G).

Front

What is the role of DNA polymerase in replication?

Back

DNA polymerase is an enzyme that synthesizes new DNA strands by adding nucleotides complementary to the template strand.

Front

What is the function of helicase in DNA replication?

Back

Helicase is an enzyme that unwinds and separates the two strands of DNA during replication.

Front

What is a nucleotide?

Back

A nucleotide is the basic unit of DNA, consisting of a phosphate group, a sugar, and a nitrogenous base.

Front

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

Back

The 5' and 3' ends refer to the directionality of the DNA strand, which is important for replication and transcription.

Front

What is the difference between DNA and RNA?

Back

DNA contains deoxyribose sugar and is double-stranded, while RNA contains ribose sugar and is usually single-stranded.

Front

What is the process of transcription?

Back

Transcription is the process of copying a segment of DNA into RNA.