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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
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For long, DNA molecules, the replication occurs within a small opening of the DNA helix reffered to as?
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Correct option: B
Replication fork
Option D (1 and 4) is correct because a homopolymer of U (UUU UUU UUU) will only produce one type of amino acid (phenylalanine), while a copolymer of CU can produce multiple codons (CUC, UCU, CUU, UCC) leading to a maximum of 4 different amino acids.
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The correct sequence of the first six amino acids in HbA beta globulin peptide is
Assertion: The bacteria and other prokaryotes
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?
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?