QUIZ 3

Which sequence of complementary DNA bases would pair with this partial strand

5' ATG TGA CAG? 3'

• 5' TAC ACT GTC 3'

• 3' TAC ACT GTC 5'

• 5' UAC ACU GUC 3'

• 3' UAC ACU GUC 5'

Which of the following best describes a DNA molecule?

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

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

• Protein Synthesis

The drawing shows the structure of what molecule?

• A DNA molecule

• A RNA molecule

• A carbohydrate molecule

• A protein molecule

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Identify #2.

• nitrogen base
• phosphate group
• deoxyribose sugar
• nucleotide

What process is shown in the diagram?

• replication
• transcription
• mitosis
• translation

X outlines a(n) ___________.

• amino acid
• nitrogen base 
• nucleotide
• nitrogen base pair