Protein Synthesis Lesson (Complete)

Multiple Choice

DNA holds the code for ___________.

• lipids

• carbohydrates

• proteins

• sugars

Multiple Select

How is a protein produced? Select two answers.

• Cellular respiration

• Photosynthesis

• Translation

• DNA Replication

• Transcription

1. Transcription

Multiple Choice

What process is happening in the diagram?

• transcription

• translation

• DNA replication

• mitosis

Multiple Choice

Where does transcription occur?

• Nucleus

• Ribosome

• ER

• Mitochondria

Multiple Choice

What is the mRNA for the following DNA strand?

TAC GTA

• GCT AGC

• ATG CAT

• AUG CAU

Multiple Choice

Transcribe the following DNA sequence to mRNA.

Transcribe the DNA strand below:

TAC ATT CGA AAA

• AUG UAA GCU UUU

• ATG TAA GCT TTT

• AUG TAA GCT UUU

• AUG UAA UCU UAG

Dropdown

After transcription, the mRNA travels out of the nucleus to the ________ in the cytoplasm.

Select answer

2. Translation

Multiple Choice

What is the role of mRNA?

• It carries an amino acid to the ribosome

• It copies the instructions from DNA and carries them out of the nucleus

• It makes up the ribosomes

Multiple Choice

The image above shows an amino acid attached to which type of molecule?

• mRNA

• rRNA

• tRNA

• Protein

Multiple Choice

What is an anticodon?

• rRNA

• an amino acid

• Three nucleotide sequence found on mRNA that matches with a complementary tRNA triple codon

• Three nucleotide sequence found on tRNA that matches with a complementary mRNA codon

Multiple Choice

Where does translation occur?

• Nucleus

• Ribosome

• ER

• Chloroplast

Start Codon

The first tRNA molecule will always carry the amino acid methionine, since its codon is AUG

AUG is always a start codon

Therefore, all polypeptides will have a starting amino acid of methionine, though in come cases it is clipped off later.

Multiple Choice

What is the base sequence for a start codon?

• AAG

• UUG

• UAG

• AUG

Multiple Choice

What amino acid is represented by the codon UUA?

• phenylalanine

• leucine

• isoleucine

• tyrosine

Multiple Choice

What amino acid is represented by the codon UAG?

• phenylalanine

• tyrosine

• proline

• No amino acid is represented. UAG is a stop codon.

Multiple Choice

What is the end product of translation?

• mRNA that can leave the nucleus

• Protein

• Monosaccharide

• Anticodon

Protein Synthesis Simulation

On the next slide, click the "START" button and complete the Protein Synthesis Simulation.

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Labelling

Label the diagram showing the process of translation. Drag the answer options to the correct boxes in the diagram.

Drag labels to their correct position on the image

tRNA

mRNA

polypeptide bond

amino acid

ribosome

anticodon

stop codon

start codon