3A and 3B CSA Review

Front

What is transcription in the context of genetics?

Back

Transcription is the process by which a strand of RNA is synthesized from a DNA template strand.

Front

What is the complementary base pairing rule in DNA?

Back

In DNA, Adenine (A) pairs with Thymine (T), and Cytosine (C) pairs with Guanine (G).

Front

What is the role of DNA Helicase?

Back

DNA Helicase is the enzyme that unzips the DNA helix by breaking the hydrogen bonds between the base pairs.

Front

What is the function of DNA Polymerase?

Back

DNA Polymerase is the enzyme that adds complementary nucleotides to the growing DNA strand during replication.

Front

If a DNA molecule has 30% Adenine, what percentage of Thymine is present?

Back

30% Thymine, because A pairs with T in DNA.

Front

What is the process of DNA replication?

Back

DNA replication is the process of making a copy of the DNA molecule, resulting in two identical DNA strands.

Front

What is alternative splicing of mRNA?

Back

Alternative splicing is a process that allows a single gene to produce multiple mRNA variants by including or excluding certain sequences.

Front

What are nucleotides?

Back

Nucleotides are the building blocks of DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Front

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

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 is double-stranded and contains Thymine, while RNA is single-stranded and contains Uracil instead of Thymine.