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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
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Assertion: Viruses having shorter life span, mutate and evolve faster.
Reason: Viruses have generally RNA genome.
Reason: Viruses have generally RNA genome.
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Correct option: A
If both the assertion and the reason are true and the reason is a correct explanation of the assertion
Option A is correct because viruses with shorter lifespans and RNA genomes mutate and evolve faster due to the lack of proofreading mechanisms in RNA replication.
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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?