DNA Structure and Replication

What is the importance of DNA?

• It does nothing

• It looks cool

• It is the genetic code for life

• It does some stuff

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

NGSS.HS-LS3-1

What TWO parts of the nucleotide make up the backbone of the DNA strand?

• Phosphate

• Nitrogenous base

• Hydrogen bonds

• 5-Carbon Sugar

What are the parts of a nucleotide?

• phosphate, sugar, base

• A, T, G, C

• Nucleic Acids

• two base pairs connected

Which of the following is correctly matches: ATT GTA CGA

• TAA CAT GCT

• ATT GTA CGA

• TAA GTA TCG

• GCC ACG TAC

What is this a picture of?

• nucleotide

• DNA strand

• chromosome

• gene

Tags

NGSS.HS-LS1-1

Which of the following correctly matches: GCT AGA TCG

• CGA TCT AGC

• TAG CTC GAT

• ATC GAG CTA

• ATG CTC CGT

Tags

NGSS.HS-LS1-1

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 sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

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

• Replication
• Translation
• Transcription

Tags

NGSS.HS-LS3-2

Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?

• The number of hydrogen bonds that hold the strands of DNA together

• The number of carbons in the DNA molecule.

• The sequence of nucleotide bases in the DNA molecule

• The sequences of phosphates along each DNA strand

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1