DNA Structure

Front

What makes up the SIDES of a DNA ladder?

Back

sugars & phosphates

Front

What makes up the rungs (steps) of a DNA ladder?

Back

nitrogen bases

Front

Which of the following best describes a DNA molecule? Options: double helix, contains ribose, made of amino acids, contains Uracil

Back

double helix

Front

Nitrogenous bases are joined by which type of bond? Options: polar bonds, ionic bonds, covalent bonds, hydrogen bonds

Back

hydrogen bonds

Front

What are the three components of a nucleotide?

Back

sugar, phosphate, nitrogen base

Front

Cytosine always pairs with

Back

Guanine

Front

Name this structure: double helix, nucelotide, twisted ladder, hydrogen bond

Back

nucelotide

Front

Guanine bonds with ______________.

Back

Cytosine

Front

What is the complement to the DNA strand below:
5'-ATGCCAT-3'
Options: 5'-TACGGTA-3', 3'-TACGGTA-5', 3'-ATGGCAT-5', 5'-ATGGCAT-3'

Back

3'-TACGGTA-5'

Front

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

Back

The order of the Nitrogen Bases determines the traits that an organism will possess (have).