DNA Structure

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

Which 2 molecules form the sides (backbone) of the DNA ladder? Options: deoxyribose sugar and adenine, deoxyribose sugar and a hydrogen bond, deoxyribose sugar and the nucleus, deoxyribose sugar and phosphate

Back

deoxyribose sugar and phosphate

Front

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

Back

hydrogen bonds

Front

What does DNA stand for?

Back

Deoxyribonucleic acid

Front

Which 2 molecules form the sides (backbone) of the DNA ladder?

Back

deoxyribose (sugar) and phosphate

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

Which of the following is a base pair? Options: Adenine - Cytosine, Cytosine - Thymine, Deoxyribose - Cytosine, Cytosine - Guanine

Back

Cytosine - Guanine

Front

The weak bonds between base pairs is a ___

Back

Hydrogen