A1.2 NUCLEIC ACIDS SL PREREADING QUIZ

Which nitrogenous base pairs with adenine in DNA?

• Guanine
• Thymine
• Cytosine
• Uracil

What is the diversity of possible DNA base sequences?

• Limited
• Moderate
• High
• Infinite

Which shape is used to represent the phosphate group in a nucleotide diagram?

• Circle
• Triangle
• Rectangle
• Pentagon

How many strands are present in DNA?

• 4
• 1
• 2
• 3

What is RNA formed by?

• Ionic bonding of nucleotide monomers
• Condensation of nucleotide monomers
• Hydrogen bonding of nucleotide monomers
• Hydrolysis of nucleotide monomers

What does the conservation of the genetic code across all life forms suggest?

• Independent evolution
• Parallel evolution
• Convergent evolution
• Universal common ancestry

Which of the following is NOT considered to be living?

• Bacteria
• Fungi
• Viruses
• Plants

What type of bonding forms a strong backbone in DNA and RNA?

• Covalent bonding
• Hydrogen bonding
• Ionic bonding
• Van der Waals forces

Which of these labels in the nucleotide is incorrect

• A
• B
• C
• DNA wrapped around a core of sixteen histone proteins

What does Ribose have that Deoxyribose does NOT?

• Extra oxygen atom
• Thymine
• A Hydrogen atom on carbon 2
• more carbon in the ring