DNA Bases

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

• amino acids

• nucleotides

• fatty acids

• polysaccharides

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

Rosalind Franklin's "photo 51" was critical in helping Watson and Crick to discover what?

• The double helix structure of DNA

• X-Ray crystalography was a technology worth looking in to. 

• That stealing is a great way to get ahead in life

• That there could possibly be life on other planets. 

Tags

NGSS.HS-LS1-1

Identify #2.

• nitrogen base

• phosphate group

• deoxyribose sugar

• nucleotide

Tags

NGSS.HS-LS1-1

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein

Guanine, cytosine, adenine, and thymine are

• sides of the ladder in DNA

• phosphate molecules

• nitrogen bases

Cystosine is always paired with ______________.

• Adenine

• Thymine

• Guanine

• It doesn't match with anything

Which of the following are the four nitrogenous bases found in DNA?

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Uracil, Cytosine, Guanine

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Thymine, Guanine, Uracil

In a DNA double helix, adenine pairs with which other base?

• Cytosine

• Guanine

• Thymine

• Uracil