HB Unit 4 DNA and Cell Cycle Review 1

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

What makes up the SIDES of a DNA ladder?

• nitrogen bases

• sugars & phosphates

• genes & chromosomes

• RNA

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

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

• 5'-TACGGTA-3'
• 3'-TACGGTA-5'
• 3'-ATGGCAT-5'
• 5'-ATGGCAT-3'

Tags

NGSS.HS-LS1-1

What is the molecule in the image?

• Nucleotide

• Deoxyribose Sugar

• Nitrogenous base

• Phosphate

Mitosis results in identical daughter cells

• True

• False

Tags

NGSS.HS-LS1-4

What letter represents a purine?

• W

• X

• Y

• Z

Which color base represents thymine?

• dark green

• light green

• orange

• yellow

How many hydrogen bonds form between cytosine and guanine?

• 1

• 2

• 3

• 4

What type of bond does letter Y represent?

• glycosidic bond

• hydrogen bond

• peptide bond

• phospodiester bond

Tags

NGSS.HS-PS1-4