DNA Basics

What does DNA stand for?

• Deoxyribonucleic acid

• Deribonucleic acid

• Denitrogenous acid

• Diribonucleic acid

Which of the following best describes a DNA molecule?

• double helix

• made of amino acids

• contains ribose

• contains Uracil

Why is DNA important?

• it is very small and very complicated

• it's in everything

• because we eat it every day for energy

• it serves as the blueprint for traits of all living things

Which organelle is DNA usually found in?

• cell membrane

• nucleus

• ribosome

• vacuole

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, phosphate, protein

• sugar, phosphate, nitrogen base

• sugar, oxygen, nitrogen base

What shape is DNA?

• a circle

• a double helix

• a triangle

• a single helix

the process of making a copy of DNA

• transcription

• DNA replication

• double helix

• replication fork

What part of our cells holds our DNA?

• cytoplasm
• cell membrane
• nucleus
• ribosomes

What has DNA?

• animals
• plants
• bacteria
• all of the above

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides