Chapter 12 Study Guide

The group of scientist(s) who were the first to discover nucleic acids as the inheritance molecule using a virus is:

• Watson and Crick

• Hershey and Chase

• Avery, MacLeod, and McCarty

• Franklin and Wilkins

DNA is composed of:

• Proteins

• Carbohydrates

• Lipids

• Nucleotides

What were the early known characteristics of DNA?

• DNA is composed of nucleotides

• DNA has a double helix structure

• DNA is the genetic material

• DNA can replicate itself

DNA stands for:

• Deoxyribonucleic Acid

• Ribonucleic Acid

• Deoxyribose Nucleic Acid

• Nucleic Acid

The group of scientists that discovered the structure of DNA is known as?

• Watson and Crick

• Einstein and Newton

• Curie and Rutherford

• Bohr and Heisenberg

How is DNA structured?

• DNA is structured as a double helix.

• DNA is structured as a single strand.

• DNA is structured as a triple helix.

• DNA is structured as a quadruple helix.

The type of bond that holds nucleotides together in DNA is:

• Hydrogen bond

• Ionic bond

• Covalent bond

• Peptide bond

Which of the following are the 4 nitrogenous bases found in DNA?

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Uracil, Cytosine, Guanine

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Thymine, Guanine, Uracil

What does Chargaff’s rules state?

• Chargaff's rules state that DNA from any cell of any organisms should have a 1:1 ratio of pyrimidine and purine bases.

• Chargaff's rules state that the amount of adenine is equal to thymine and the amount of guanine is equal to cytosine.

• Chargaff's rules state that DNA is a double helix structure.

• Chargaff's rules state that DNA replication is semi-conservative.

Which nitrogenous bases are purines?

• Adenine and Thymine

• Cytosine and Guanine

• Adenine and Guanine

• Thymine and Cytosine