Cracking the Code

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogenous bases

• the order (sequence) of the nitrogenous bases

• the color of the nitrogenous bases

• the frequency (number) of nitrogenous bases

Tags

NGSS.HS-LS1-1

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

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases

• the order (sequence) of the nitrogen bases

• the color of the nitrogen bases

• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS1-1

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

What is the primary function of DNA in living organisms?

• Energy storage

• Catalyzing reactions

• Storing genetic information

• Providing structural support

Tags

NGSS.HS-LS3-1

Which of the following is a component of a nucleotide in DNA?

• Amino acid

• Fatty acid

• Nitrogenous base

• Phosphate group

What is the process by which DNA is copied before cell division?

• Transcription

• Translation

• Replication

• Mutation

Which enzyme is responsible for unzipping the DNA double helix during replication?

• DNA polymerase

• Helicase

• Ligase

• Primase

What is the role of mRNA in protein synthesis?

• Carries amino acids to the ribosome

• Forms the structure of ribosomes

• Carries the genetic code from DNA to the ribosome

• Catalyzes peptide bond formation

Which of the following best describes a gene?

• A segment of DNA that codes for a protein

• A molecule that carries oxygen in the blood

• A type of lipid found in cell membranes

• A structure that provides energy to the cell

Tags

NGSS.HS-LS1-1