DNA and DNA Replication

What are the roles of DNA

• Store genetic information
• Copying genetic information
• Transmitting genetic information
• All of the above are roles of DNA

DNA stands for

• Deoxyribose Nucleic Acid
• Deoxyribonucleic Acid
• Deoxyribosenucleic Acid
• Deoxribonuclei Acid

What is the name for the repeating subunits that make up a DNA molecule?

• Nucleotides
• Deoxyribose
• Nucleic Acids
• Nucleosomes

Which of the following is not part of a DNA nucleotide?

• A pentose sugar
• phosphate functional group
• ribose
• nitrogenous base

The nitrogen bases that are made up of double rings of carbon and nitrogen atoms are called:

• Cytosine and Thymine
• Pyrimidines
• Purines
• They don't have a specific name

The nitrogen bases that are made up of single rings or carbon and nitrogen atoms are called:

• Pyrimidines
• They don't have a specific name
• Purines
• Adenine and Guanine

What type of chemical bond holds the phophate, sugar, and nitrogen base together?

• peptide bond
• covalent bond
• ionic bond
• hydrogen bond

What type of chemical bond holds the two strands of nucleotides together?

• hydrogen bond
• covalent bond
• ionic bond
• james bond

Who was the scientist credited with discovering the base pairing rules?

• Maurice Wilkins
• James Watson and Francis Crick
• Erwin Chargaff
• Rosalind Franklin

Who was the scientist that took Photo 51?

• Maurice Wilkins
• Rosalind Franklin
• James Watson
• Francis Crick