Genetic Code

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

What is the correct order to make a protein?

• Protein, DNA, RNA

• RNA, DNA, Protein

• DNA, RNA, Protein

• Protein, RNA, DNA

Tags

NGSS.HS-LS1-1

Where is DNA and RNA made?

• nucleus

• cytoplasm

• mitochondria

• ER

Where are proteins made?

• ER

• nucleus

• cytoplasm

• mitochondria

RNA has what base that is instead of thymine?

• guanine

• adenine

• thymine

• uracil

How would the DNA sequence GCTATA be transcribed to mRNA?

• GCUAUA
• CGATAT
• CGAUAU
• GCUTUT

Transcribe the following DNA sequence:

AAT TAG GGC TCG

• AAT TAG GGC TCG

• TTA ATC CCG AGC

• UUA AUC CCG AGC

• TTU UTC CCG UGC

What is Transcription?

• The making of tRNA from a DNA segment.

• The making of an rRNA strand from a DNA segment.

• The making of an mRNA strand from a DNA segment.

What is a Codon?

• 4 base pairs that transfer to amino acids
• 3 base pairs that transfer to amino acids
• 3 base pairs that transfer to DNA
• 3 base pairs that transfer to mRNA

What amino acid would be added to the protein being formed during translation if the mRNA codon reads "CCU?"

• Isoleucine

• Stop

• Methionine

• Proline