DNA Structure & Replication

A monomer of DNA is called a(n)

• Monosaccharide
• Amino Acid
• Triglyceride
• Nucleotide

Which of the following best describes a DNA molecule?

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

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• strong covalent bonds

• weak hydrogen bonds

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

A five-carbon sugar found in DNA.

• ribose
• guanine
• deoxyribose
• helicase

DNA is copied during

• Translation
• Transcription
• Reproduction
• Replication

What type of sugar is in DNA?

• sucrose
• lactose
• ribose
• deoxyribose

What are the 4 nitrogenous bases in DNA?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose