DNA structure & replication

Q. 

What does DNA stand for?

• Deoxyribonucleic acid

• Diribose nutride acidosis

• Dinitro acid

• Deoxynitrogenic acid

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

What makes up the SIDES/backbones 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

• made of amino acids

• contains ribose

• contains Uracil

Tags

NGSS.HS-LS1-1

Nitrogenous bases are joined by which type of bond?

• polar bonds

• covalent bonds

• ionic bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, protein

 

Name this structure

• double helix

• twisted ladder

• nucleotide

• hydrogen bond

Tags

NGSS.HS-LS1-1

Cytosine always pairs with

• Adenine

• Thymine

• Uracil

• Guanine

Adenine bonds with ______________.

• Cytosine

• Guanine

• Thymine

• Uracil

What is the complement to the DNA strand below: 5'-ATGCCAT-3'

• 5'-TACGGTA-3'

• 3'-TACGGTA-5'

• 3'-ATGGCAT-5'

• 5'-ATGGCAT-3'