Biology

Molecular Genetics

917 Questions

Molecular genetics explores the mechanisms of genetic information transfer, including DNA replication, transcription, and translation. It is a core component of biology syllabi. These concepts frequently appear in general science sections of major competitive exams.

DNA replicationTranscription processTranslation processRNA typesCentral dogma

Molecular Genetics Questions

Multiple choice

Which of the following is NOT a type of RNA?

  1. mRNA

  2. tRNA

  3. rRNA

  4. snRNA
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

snRNA is a type of small nuclear RNA, which is involved in the processing of RNA transcripts.

Multiple choice

What is the function of a promoter in gene expression?

  1. To bind RNA polymerase and initiate transcription

  2. To terminate transcription

  3. To splice introns out of RNA transcripts

  4. To polyadenylate RNA transcripts
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A promoter is a region of DNA that binds RNA polymerase and initiates transcription.