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

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

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

In eukaryotic cells, DNA is located in the ___.

• cell membrane

• vacuole

• chloroplast

• nucleus

Nitrogenous bases are joined by which type of bond?

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

Tags

NGSS.HS-LS1-1

a chemical in a cell that contains genetic information

• DNA

• helicase

• lagging strand

• ligase

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

unwinds the DNA code being copied in the cell

• helicase

• mutations

• transcription

• polymerase

this is the daughter strand, created ad goes in the opposite direction

• lagging strand

• polymerase

• leading strand

• RNA

Created continuously on the forward direction, it is the parent strand

• leading strand

• helecase

• lagging strand

• SSB protein