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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
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Using Severo ochoa enzyme homopolymer of and copolymer of are made consisting of 9 and 12 repeating units respectively. How many types of amino acids, these can polymerise during translation respectively?
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Correct option: C
1 and 2
Option D (1 and 4) is correct. Homopolymer of U (UUU) codes for only one amino acid (Phenylalanine). Copolymer of CU can produce UUU, UUC, UCU, CUU, UCC, CUC, CCC, and CCU codons. Out of these, only UUU, UUC, UCU, and CUU will code for different amino acids.
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Reason: Member of kingdom Monera are
efficient in regulating gene expression. Which of the following is not true for DNA polymerase? Dystrophin gene consists of Read the following four statements (i-iv).
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show high adaptability to the changing
environment.
Reason: Member of kingdom Monera are
efficient in regulating gene expression. Which of the following is not true for DNA polymerase? Dystrophin gene consists of Read the following four statements (i-iv).
i. In transcription, adenosine pairs with uracil.
ii. Regulation of lac operon by repressor is referred to as positive regulation
iii. The human genome has approximately 30,000 genes
iv. Haemophilia is a sex-linked recessive disease
How many of the above statements are correct? Reactive group of RNA is?