8th Ch 2:3-DNA and Genetics

Front

What is a mutation?

Back

A mutation is a change in the nucleotide sequence of DNA.

Front

What is the process of making mRNA from DNA called?

Back

The process is called transcription.

Front

What does the letter 'c' represent in a DNA diagram?

Back

The letter 'c' represents a nucleotide.

Front

What is DNA replication?

Back

DNA replication is the process of making a copy of DNA to create another DNA molecule.

Front

What is junk DNA?

Back

Junk DNA refers to segments of DNA that are not part of genes.

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 are the three main components of a nucleotide?

Back

The three main components are a sugar, a phosphate group, and a nitrogenous base.

Front

What is the role of ribosomes in protein synthesis?

Back

Ribosomes are the cellular structures where proteins are synthesized by translating mRNA.

Front

What is the difference between transcription and translation?

Back

Transcription is the process of creating mRNA from DNA, while translation is the process of synthesizing proteins from mRNA.

Front

What are genes?

Back

Genes are segments of DNA that contain the instructions for making proteins.