DNA Structure Lesson

The sides of the double helix

• sugar phosphate

• nucleotides

• nitrogen bases

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

What is the percentage of T?

• 22%

• 11%

• 28%

• 50%

The DNA is found in the nucleus of what type of organisms?

• Bacteria

• Eukaryotes

• Prokaryotes

• Viruses

What makes up the SIDES of a DNA ladder?

• nitrogen bases

• sugars & phosphates

• genes & chromosomes

• RNA

Tags

NGSS.HS-LS1-1

What makes up the rungs (steps) of a DNA ladder?

• sugars & phosphates

• nitrogen bases

• sugars

• genes & chromosomes

Tags

NGSS.HS-LS1-1

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

• The order of the Nitrogen Bases determines the number of chromosomes present in an organism.

• The order of the Nitrogen Bases determines the traits that an organism will possess (have).

• The order of the Nitrogen Bases determines the gender of an organism.

• The order of the Nitrogen Bases determines whether an organism is abiotic biotic.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

Cytosine always pairs with

• Adenine

• Thymine

• Uracil

• Guanine