DNA

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

• amino acids
• nucleotides
• fatty acids
• polysaccharides

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication
• Translation
• Transcription

Tags

NGSS.HS-LS3-2

What is the shape of DNA?

• Double helix
• Triple helix
• Flat, bilayer
• Three-pronged rigid ladder

A scientist observes a base sequence of AGCTAGCTAGCT.  Which of the following would be the complimentary strand?

• TGCATGCATGCA
• TCGATCGATCGA
• TAGCTAGCTAGC
• TTAAGGCCTTCC

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
  

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

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

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Describes the twisted ladder-like shape of a DNA molecule

• Nitrogen Base
• Hexagon
• Double Helix

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine