Nucleic Acids & Information Flow Flashcard

Front

How many hydrogen bonds stabilize a G–C pair? An A–T pair?

Back

G–C: 3 hydrogen bonds; A–T: 2 hydrogen bonds.

Front

What is the complementary DNA strand of 5’-TTCAG-3’?

Back

3'-AAGTC-5'.

Front

If 16% of nucleotides in a bacterial genome are adenine, what % are cytosine?

Back

34%.

Front

What are the three processing steps of eukaryotic mRNA before it leaves the nucleus?

Back

5' Capping, Polyadenylation, Splicing.

Front

What are the two main functions of DNA?

Back

Storing genetic information & copying itself.

Front

What is the structure of DNA?

Back

A double helix composed of two strands of nucleotides.

Front

What are nucleotides made of?

Back

A phosphate group, a sugar, and a nitrogenous base.

Front

What is the role of RNA in protein synthesis?

Back

RNA serves as a template for translating genetic information into proteins.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine; RNA is single-stranded and contains uracil.

Front

What is transcription?

Back

The process of copying a segment of DNA into RNA.