Protein Synthesis - Amoeba Sisters

Protein Synthesis - Amoeba Sisters

DHS Science

Learning Targets...

• I can identify the key occurrences of each 'stage' of Protein synthesis.

• I can identify the role of Ribosomes, RNA Polymerase, amino acids, and mRNA in the process of protein synthesis.

Please use a piece of notebook paper or blank paper to make this chart. Fill it in as you complete these questions.

Please watch the video carefully for each section.

Answer the questions to the best of your understanding.

Multiple Select

Which of these are TRAITS of RNA?

• Single Stranded

• Double Stranded

• Bases = A, C, G, and T

• Bases = A, C, G, and U

• Sugar is Ribose

Multiple Choice

The FIRST stage of Protein Synthesis is ________.

• Transcription

• Translation

• mRNA processing

• Post Translational Modification

Multiple Choice

It appears that during Transcription a 'copy' of a gene is made, this 'copy' is called _________.

• mRNA

• tRNA

• mDNA

• rRNA

Multiple Choice

TRANSCRIPTION is likely occurring in the cell's ________.

• Nucleus

• Cytoplasm

• Rough ER

• Golgi Apparatus

Multiple Choice

The 'enzyme' that makes this 'copy' of DNA is called...

• DNA Polymerase

• RNA Polymerase

• DNA Telomerase

• RNA Telomerase

Multiple Choice

The key outcome of Transcription is...

• An 'immature' mRNA molecule.

• A "Mature" mRNA molecule

• An amino acid chain called a polypeptide chain (a protein).

• A folded fully functional protein.

Multiple Choice

mRNA is a sequence of complementary bases by matching up DNA bases on the gene. Which would be the RNA code for the DNA triplet: CAT

• GUA

• GTA

• ACG

• None of these is correct.

Important key to RNA...

RNA does not have the letter "T". The base URACIL (U) replaces thymine and will match with the DNA base, "Adenine" (A).

Fill in the Blank

What would the RNA base complimentary code for the DNA sequence:

GTA CAC

Multiple Choice

The SECOND stage of Protein Synthesis is ________.

• Transcription

• Translation

• mRNA Processing

• Post Translational Modification

Multiple Choice

mRNA processing occurs...

• In the nucleus

• In the cytoplasm

• In the Golgi Apparatus

• In the Rough ER

Multiple Select

WHICH THREE are done to the 'immature mRNA' to make it 'mature'?

• Cap added to the beginning.

• Introns Removed

• Exons Removed

• A whole bunch of T's added to the tail

• A whole bunch of A's added to the tail

Multiple Choice

Which 'specialized' molecules will remove the introns?

• snRNPs

• snRNAs

• snDNAs

• snLMNA

Multiple Choice

The THIRD stage of Protein Synthesis is ________.

• Transcription

• Translation

• mRNA Processing

• Post Translational Modification

Multiple Choice

Translation occurs...

• In the nucleus

• In the cytoplasm

• In the Golgi Apparatus

• In the Rough ER

Multiple Choice

Which cell part will BUILD the proteins?

• Ribosome

• Golgi Apparatus

• Nucleolus

• Rough ER

Multiple Choice

During TRANSLATION molecules called t-RNA will bring ______ to the ribosomes. These are the BUILDING BLOCKS of proteins.

• amino acids

• polypeptides

• monomer acids

• polysaccharides

Multiple Choice

Each t-RNA will carry a specific amino acid. The t-RNA will bind with the ______ in a certain order based on genetic code.

• mRNA

• DNA

• rRNA

Multiple Choice

Three letters in sequence on mRNA is called a...

• Triplet

• Codon

• Anticodon

Multiple Choice

AUG is the 'start' codon. The first amino acid in all proteins is...

• Methionine

• Alanine

• Tyrosine

• Tryptophan

Multiple Choice

The covalent bond holding individual amino acids together is called a _______ bond.

• Peptide

• Saccharide

• Lipid

• Ionic

Multiple Select

Which of these molecules are key to TRANSLATION?

• Mature mRNA

• Immature mRNA

• t-RNA

• RNA Polymerase

• DNA

Multiple Select

Which of these molecules are key to TRANSLATION?

• dRNA

• Ribosome

• Golgi Apparatus

• Rough ER

• Codon

Multiple Choice

The KEY RESULT of Translation is...

• An amino acid chain, also known as a polypeptide chain.

• A mature mRNA

• An immature mRNA

• A fully functional protein

Multiple Choice

The THIRD stage of Protein Synthesis is ________. It is called this because Genetic Code Language is changed into 'amino acid' language.

• Transcription

• Translation

• mRNA Processing

• Post Translational Modification

Multiple Choice

The Fourth stage of Protein Synthesis is ________.

• Transcription

• Translation

• mRNA Processing

• Post Translational Modification

Multiple Choice

Post translational modification occurs in/at the ...

• Golgi Apparatus

• Ribosome

• Nucleus

• Rough ER

Multiple Choice

The end result of POST Translational Modification is...

• an immature amino acid chain

• A fully functional protein

• An mRNA molecule

• A copy of the DNA / Gene.

Check your notes / add / change as needed.

Thank you for completing this lesson.

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