Exam 2 - Study Guide

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

A nucleotide includes...?

• pentose sugar
• nitrogenous base
• phosphate group
• all of the above

In DNA, Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for making proteins
• because we eat it every day for energy

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

RNA contains the sugar

• ribose
• deoxyribose
• glucose
• lactose

Which of the following is a base that is NOT contained in DNA?

• Adenine
• Thymine
• Uracil
• Guanine

Which of the following statements is true?

• DNA is single-stranded
• RNA is single-stranded
• DNA contains uracil
• RNA contains deoxyribose