Question

d. mrna is single-stranded, while dna is double-stranded.

which of the following best describes the process of translation?
○ a. the folding of proteins into their functional shapes
○ b. the replication of dna in preparation for cell division
○ c. the synthesis of mrna from a dna template
○ d. the assembly of amino acids into a polypeptide chain by ribosomes

what occurs during protein folding?
○ a. a ribosome assembles amino acids
○ b. a protein adopts a specific 3d structure
○ c. a polypeptide chain is synthesized
○ d. rna is transcribed from dna

where does transcription occur in eukaryotic cells?
○ a. in the mitochondria
○ b. in the ribosomes
○ c. in the cytoplasm
○ d. in the nucleus

Explanation:

First Question: Which of the following best describes the process of translation?

• Option a: Protein folding is post - translation, not translation.
• Option b: DNA replication is for cell division, not translation.
• Option c: mRNA synthesis from DNA is transcription.
• Option d: Translation is ribosomes assembling amino acids into a polypeptide chain.

• Option a: Ribosome assembling amino acids is translation, not protein folding.
• Option b: Protein folding is when a protein gets its specific 3D structure.
• Option c: Polypeptide chain synthesis is translation, not folding.
• Option d: RNA transcription from DNA is transcription, not folding.

• Option a: Mitochondria have their own DNA, but main transcription (from nuclear DNA) is not here.
• Option b: Ribosomes are for translation, not transcription.
• Option c: Cytoplasm is for translation, transcription is in nucleus.
• Option d: In eukaryotes, DNA is in nucleus, so transcription (mRNA from DNA) occurs in nucleus.

Answer:

d. The assembly of amino acids into a polypeptide chain by ribosomes

Second Question: What occurs during protein folding?