DNA & Gene Expression

Front

What occurs when a gene is activated?

Back

The gene is used in protein synthesis.

Front

How is information for a specific protein carried on the DNA molecule?

Back

As a sequence of nucleotides.

Front

What determines the order of amino acids in the proteins synthesized?

Back

The order of nitrogenous bases in the DNA.

Front

What is the name given to part of a DNA molecule that codes for a protein?

Back

Gene.

Front

What does it mean when a gene is turned on?

Back

It is being expressed.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What type of bond holds the nitrogenous bases together in the DNA double helix?

Back

Hydrogen bonds.

Front

What is the role of mRNA in gene expression?

Back

It carries the genetic information from DNA to the ribosome for protein synthesis.

Front

What is transcription in the context of gene expression?

Back

The process of copying a segment of DNA into RNA.