4.1 DNA Structure and Replication

What does DNA stand for?

• Deoxyribonucleic Acid

• Do Not Ask

• Dinosaurs Need Air

• Diribonucleic Acid

Which of the following best describes a DNA molecule?

• Contains Ribose

• Double Helix

• Made of Amino Acids

• Contains Uracil

Tags

NGSS.HS-LS1-1

DNA is a polymer made of:

• Pyrimidines

• Purines

• Nucleotides

• Ribosomes

Tags

NGSS.HS-LS1-1

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.HS-LS1-1

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

• 
  thymine

• 
  cytosine

• 
  guanine

• 
  uracil

Tags

NGSS.HS-LS1-1

Which organelle is DNA usually found in?

• 
  cell membrane

• 
  nucleus

• 
  vacuole

• 
  ribosome

Tags

NGSS.MS-LS1-2

Guanine bonds with ______________.

• Adenine

• Guanine

• 
  Cytosine

• 
  Thymine

What will the matching sequence be on a strand that reads AAGCTAT?

• 
  TTCGATA

• 
  CCTGATA

• 
  TTCGTTA

• AACGATA

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• 
  sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

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

• 
  Recessive trait

• Mutation

• 
  Allele

Tags

NGSS.HS-LS3-2