UA 5 Biotech Review

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

Which of the following best describes a DNA molecule?

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

DNA is a polymer made of:

• Nucleotides
• Ribosomes
• Purines
• Pyrimidines

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

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

DNA codes for...

• bases
• proteins
• amino acids
• phosphates

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

the process of making a copy of DNA

• transcription
• double helix
• DNA replication
• replication fork

Nitrogenous bases are joined by which type of bond?

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