RNA and Protein Synthesis

What is the role of tRNA in protein synthesis?

• It carries amino acids to the ribosome

• It forms the ribosome

• It transcribes DNA

• It signals the stop of translation.

In the process of translation, the mRNA is read in which direction?

• A) 5' to 3'

• B) 3' to 5'

• C) Randomly

• D) Both directions.

What forms the polypeptide chain during protein synthesis?

• DNA

• RNA

• Amino acids

• Nucleotides

Tags

NGSS.HS-LS1-6

The process of protein synthesis involves two main stages: transcription and _______.

• replication

• translation

• mutation

• degradation

What base does RNA contain that DNA does not?

• Thymine

• Uracil

• Adenine

• Guanine

Fill in the blank: ________ RNA is responsible for transferring amino acids to the ribosome.

• Messenger

• Ribosomal

• Transfer

Where is mRNA made in the cell?

• Cytoplasm

• Nucleus

• Ribosome

• Golgi apparatus

What is the site of protein synthesis in the cell?

• Nucleus

• Cytoplasm

• Mitochondria

• Endoplasmic reticulum

Fill in the blank: The codon UGG codes for the amino acid ______.

• Tryptophan

• Valine

• Serine

• Glycine

Translation is the process that produces proteins by decoding the sequence of ______.

• DNA codons

• RNA codons

• mRNA codons

• Protein codons