Question : In normal cells, the process of the flow of genetic information from DNA to RNA is called:
Option 1: Translation
Option 2: Transportation
Option 3: Transcription
Option 4: Translocation
Correct Answer: Transcription
Solution : The correct option is Transcription.
In normal cells, the process of the flow of genetic information from DNA to RNA is called transcription. Transcription is the first step in gene expression, during which a specific segment of DNA is used as a template to synthesise a complementary RNA molecule. This RNA molecule, known as messenger RNA (mRNA), carries the genetic code from the DNA to the ribosomes, where it serves as a template for protein synthesis in a process called translation.
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Question : Translocation of water is
Option 1: apoplastic
Option 2: symplastic
Option 3: both (1) and (2)
Option 4: none of the above
Question : Grey hair is caused due to
Option 1: ageing of epidermal cells
Option 2: death of dermal cells
Option 3: loss of sebum in epidermal cells
Option 4: loss of melanin in epidermal cells
Question : A blood clot is formed because of the presence of certain cells in the blood called:
Option 1: chondrocytes
Option 2: erythrocytes
Option 3: platelets
Option 4: lymphocytes
Question : The enzyme which catalyses the unwinding of DNA helix during replication is:
Option 1: Primase
Option 2: Topoisomerase
Option 3: Helicase
Option 4: DNA polymerase
Question : A group of genes whose activity is coordinated by a DNA site is called:
Option 1: operon
Option 2: cistron
Option 3: polysome
Option 4: polypeptic
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