DNA and RNA Review

Front

What nitrogen containing bases are found in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), Guanine (G) - collectively known as ATCG.

Front

True or False: RNA leaves the nucleus.

Back

True

Front

Why do we use RNA if we already have genetic code in DNA?

Back

RNA is portable and can be read by the ribosome.

Front

Which molecule holds the code for ONE gene at a time?

Back

RNA.

Front

In Eukaryotic cells, where is DNA ALWAYS located?

Back

Nucleus.

Front

What is the primary function of DNA?

Back

To store and transmit genetic information.

Front

What is the primary function of RNA?

Back

To act as a messenger carrying instructions from DNA for controlling the synthesis of proteins.

Front

What are the three main types of RNA?

Back

Messenger RNA (mRNA), Transfer RNA (tRNA), Ribosomal RNA (rRNA).

Front

What is the structure of DNA?

Back

A double helix composed of two strands of nucleotides.

Front

What is the structure of RNA?

Back

A single strand of nucleotides.