DNA

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

DNA is a polymer made of:

• Ribosomes

• Pyrimidines

• Nucleotides

• Purines

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

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Which organelle is DNA usually found in?

• cell membrane

• nucleus

• ribosome

• vacuole

Tags

NGSS.MS-LS1-2

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

A change in a DNA sequence(order) that affects genetic information.

• Mutation

• Recessive trait

• Allele

• Replication fork

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

the process of making a copy of DNA

• transcription

• DNA replication

• double helix

• replication fork

 

One strand of DNA has how many nucleotides

• millions

• billions

• about 20

• thousands