Tag: bio-chemistry

Questions Related to bio-chemistry

Which is correctly matched ?

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. Ligase-Breaking DNA strand

  2. Flame cells-Roundworms

  3. Rous Sarcoma-Reverse transcriptase

  4. Thyroxine-Adrenal

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Correct Option: C

Information transfer from RNA to DNA is

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. Transcription

  2. Translation

  3. Replication

  4. Reverse transcription

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Correct Option: D

Central dogma of protein synthesis consists of

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. $DNA \overset{translation}{\rightarrow} mRNA \overset{transcriptionlation}{\rightarrow} Protein$

  2. $DNA \overset{transcription}{\rightarrow} mRNA \overset{translation}{\rightarrow} Protein$

  3. $RNA \overset{replication}{\rightarrow} DNA \overset{translation}{\rightarrow} Protein$

  4. $RNA \overset{transcriptions}{\rightarrow} mRNA \overset{translation}{\rightarrow} Protein$

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Correct Option: B

Reverse transcriptase is

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. RNA dependent RNA polymerase

  2. DNA dependent RNA polymerase

  3. DNA dependent DNA polymerase

  4. RNA dependent DNA polymerase

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Correct Option: D

Reverse flow of information in central dogma of molecular biology is

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. DNA RNA Protein

  2. Protein DNA RNA

  3. mRNA tRNA DNA

  4. RNA DNA Protein

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Correct Option: D

A bead on a string like chromatin with 200 beads or nucleosomes containing ..bp of DNA

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. 80,000

  2. 40,000

  3. 20,000

  4. 10,000

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Correct Option: B

DNA can be formed over RNA through

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. Ligase

  2. Gyrase

  3. Helicase

  4. Reverse transcriptase

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Correct Option: D

Teminism is

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. Reverse transcription

  2. RNA replication

  3. DNA replication

  4. None of the above

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Correct Option: A

Which one is RNA dependent DNA polymerase

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. RNA polymerase I

  2. Tag polymerase

  3. DNA polymerase

  4. Reverse transcriptase

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Correct Option: D

cDNA is copied from mRNA molecule with the help of

bio-chemistry nucleic acids central dogma transcription and gene expression molecular biology

  1. Restriction enzyme

  2. Reverse transcriptase

  3. DNA polymerase

  4. Adenosine deaminase

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Correct Option: B