DNA Structure & Replication AP Prep

Which of the following best describes the arrangement of the sides of the DNA molecule

• Bonding

• Alternating

• Antiparallel

• Parallel

Enzyme that breaks hydrogen bonds (unzips)

• Ligase

• Polymerase

• Primase

• Helicase

DNA strand has the following bases AAGCCA what are the bases on the complementary strand

• GGCTTA

• TTGGGA

• CCAGGT

• TTCGGT

The new DNA strand formed after DNA replication is an exact copy of its parent strand

• True

• False

Tags

NGSS.HS-LS3-2

If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?

• 30
• 15
• 20
• 60

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

• ribose sugar and base
• ribose sugar and phosphate group
• nitrogen base and deoxyribose sugar
• deoxyribose sugar and phosphate group
  

What is responsible for holding the two strands of the DNA double helix together?

• hydrogen bonds
• alleles
• London dispersion forces
• deoxyribose sugars

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Tags

NGSS.MS-LS3-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2