Podcast
Questions and Answers
What is the primary function of the enzyme DNA ligase in the context of molecular biology?
What is the primary function of the enzyme DNA ligase in the context of molecular biology?
- To unwind the DNA double helix for replication.
- To initiate the process of transcription by binding to the promoter region.
- To seal the gaps between Okazaki fragments during DNA replication. (correct)
- To add nucleotides to the 3' end of a growing DNA strand.
During DNA replication, which enzyme is primarily responsible for proofreading and correcting errors?
During DNA replication, which enzyme is primarily responsible for proofreading and correcting errors?
- Helicase
- Primase
- DNA polymerase (correct)
- DNA ligase
Which of the following best describes the role of tRNA in protein synthesis?
Which of the following best describes the role of tRNA in protein synthesis?
- It brings specific amino acids to the ribosome to be added to the polypeptide chain. (correct)
- It catalyzes the formation of peptide bonds between amino acids.
- It provides the energy required for the translation process.
- It carries genetic information from the nucleus to the ribosome.
What is the function of the enzyme helicase during DNA replication?
What is the function of the enzyme helicase during DNA replication?
A mutation occurs in a gene that codes for a protein. Which of the following outcomes is least likely if the mutation is in the non-coding region of the gene?
A mutation occurs in a gene that codes for a protein. Which of the following outcomes is least likely if the mutation is in the non-coding region of the gene?
Which of these processes is directly involved in the termination of translation?
Which of these processes is directly involved in the termination of translation?
If a DNA sequence is altered such that a codon changes from UAC to UAG, what type of mutation has occurred and what is its likely effect?
If a DNA sequence is altered such that a codon changes from UAC to UAG, what type of mutation has occurred and what is its likely effect?
What is the role of promoters in gene expression?
What is the role of promoters in gene expression?
Which modification of histone proteins is most likely to result in increased gene expression?
Which modification of histone proteins is most likely to result in increased gene expression?
What is the central dogma of molecular biology?
What is the central dogma of molecular biology?
Flashcards
Nucleotide
Nucleotide
A nitrogenous base, pentose sugar, and phosphate group.
DNA Double Helix
DNA Double Helix
Two antiparallel and complementary polynucleotide chains coiled around each other.
Base Pairing Rules
Base Pairing Rules
Adenine pairs with thymine (A=T); guanine pairs with cytosine (G≡C).
DNA Replication
DNA Replication
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Helicase
Helicase
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DNA Polymerase
DNA Polymerase
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Okazaki Fragments
Okazaki Fragments
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DNA Ligase
DNA Ligase
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Transcription
Transcription
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Translation
Translation
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Study Notes
Overview
- A session for NEET 2025 aspirants that focuses on the molecular basis of inheritance, part of a 45-day complete biology series.
Key Resources and Links
- A link is provided for NEET aspirants to submit their details to claim prizes.
- There is a link for the VIP batch
- A playlist compiling one-shot videos for complete biology to help with NEET 2025 preparation
- A New NCERT 360° Word-by-Word Playlist is available.
- WhatsApp and Telegram channels for Unacademy NEET are available for updates and resources.
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