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Name two restriction enzymes used in PCR.
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Name two better yielding varieties of rice developed in India.
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Give reason – Water acts as thermal buffer
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What is polymerase chain reaction (PCR)?
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Describe three steps involved in mechanism of PCR.
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The DNA polymerase enzyme used in PCR is obtained from______.
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How gene amplification is done?
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Write steps involved in gene amplification.
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______technique is used for in vitro gene cloning or gene multiplication.
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What are the different types of electrophoresis?
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What kind of nervous system is seen in Hydra, earthworm and cockroach?
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Complete the following chart:
| Cranial nerve number | Name | Type | Function |
| II | ______ | Sensory | ______ |
| V | Trigeminal | Touch, taste and jaw movements | |
| X | ______ | Mixed | ______ |
| XII | ______ | Motor | Movement of tongue |
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Write a short note on vectors.
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Tissue plasminogen activator and urokinase are used in the treatment of ______.
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Write a short note on wetland.
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How does EcoRI differ from an exonuclease?
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Name the enzyme responsible for the transcription of genetic code to produce mRNA.
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Which amino acid is coded by the initiation codon?
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Explain the mechanism of PCR.
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