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Questions and Answers
What is the name given to the two-step process denoted DNA RNA protein?
What is the name given to the two-step process denoted DNA RNA protein?
- Protein synthesis
- Central dogma (correct)
- Transcription translation
- Gene expression process
Which type of RNA encodes the amino acid sequence of a polypeptide?
Which type of RNA encodes the amino acid sequence of a polypeptide?
- mRNA (correct)
- rRNA
- snRNA
- tRNA
What is the function of tRNA during translation?
What is the function of tRNA during translation?
- Forms complexes for eukaryotic RNA processing
- Brings amino acids to ribosomes (correct)
- Makes up the ribosomes
- Encodes the amino acid sequence
Why is only one of the two DNA strands transcribed into an RNA during transcription?
Why is only one of the two DNA strands transcribed into an RNA during transcription?
What is the main function of snRNA in eukaryotic RNA processing?
What is the main function of snRNA in eukaryotic RNA processing?
Which type of RNA, with ribosomal proteins, makes up the ribosomes?
Which type of RNA, with ribosomal proteins, makes up the ribosomes?
What does transcription produce as part of gene expression?
What does transcription produce as part of gene expression?
Which of the following is NOT one of the four main types of RNA molecules encoded by its own type of gene?
Which of the following is NOT one of the four main types of RNA molecules encoded by its own type of gene?
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Study Notes
Central Dogma
- The process of DNA → RNA → protein is known as the central dogma.
Types of RNA
- mRNA (messenger RNA) encodes the amino acid sequence of a polypeptide.
- tRNA (transfer RNA) brings amino acids to the ribosomes during translation.
- snRNA (small nuclear RNA) is involved in eukaryotic RNA processing, specifically in the splicing of mRNA.
Transcription
- Only one of the two DNA strands is transcribed into an RNA during transcription.
- Transcription produces mRNA as part of gene expression.
Ribosomes
- rRNA (ribosomal RNA) along with ribosomal proteins makes up the ribosomes.
RNA Molecules
- The four main types of RNA molecules are: mRNA, tRNA, rRNA, and snRNA.
- miRNA (microRNA) is not one of the four main types of RNA molecules encoded by its own type of gene.
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