Biology A: Quiz 8

What is the purpose of protein synthesis? In other words, why does it happen?

• To destroy the ribosome

• To create a protein

• To extract energy (ATP) from a sugar

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During transcription, DNA is copied into mRNA. If the DNA base is "C", the RNA base is:

• G

• C

• A

Once the mRNA strand is created, it is divided up into groups of ________ bases, which is called a ____________.

• three, codon

• four, anticodon

• five, exon

Each codon codes for one ____________________.

• amino acid.

• nucleotide.

• sugar.

• lipid.

When multiple amino acids are put together, a _________________ is created.

• protein

• carbohydrate

• lipid

• nucleic acid

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Transcription is when when DNA is used to create:

• mRNA

• tRNA

• Protein

Where does translation happen?

• At the ribosome.

• In the mitochondria.

• In the nucleus.

Where does transcription happen?

• At the ribosome.

• In the mitochondria.

• In the nucleus.

How does the ribosome get the building materials to build a protein?

• tRNA delivers amino acids to the ribosome.

• DNA delivers nucleotides to the ribosome.

• rRNA delivers proteins to the ribosome.

T/F: All cells undergo protein synthesis.

• True

• False

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