DNA Structure

A nucleotide is made up of a sugar, ___ and a base

• hydrogen bond

• adenine

• phosphate

• nitrogenous base

Chromosomes are composed of __.

• genes

• phosphates

• sugars

• bases

The sides of a DNA are composed of __.

• bases and sugars

• sugars and phosphates

• bases and phosphates

• sugars and hydrogen bonds

Which base is found in RNA and not in DNA?

• thymine

• uracil

• guanine

• cytosine

In DNA, the base named adenine would pair with what other base?

• thymine

• cytosine

• guanine

• uracil

In RNA, the base named adenine would pair with what other base?

• thymine

• guanine

• cytosine

• uracil

Which of the following does not describe RNA?

• It is made with only one strand

• It has the base named uracil

• It is made with the sugar ribose

• It is made with the sugar deoxyribose

The letters in DNA represent __.

• sugars

• phosphates

• bases

• bonds

Which scientist who helped discover the structure of DNA, experienced sexism?

• Wilkinson

• Franklin

• Watson

• Crick

Complete this: DNA --> ____ --> Protein

• RNA

• Life

• Ribosomes

• Amino acids