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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
1
Medium
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Analyzing
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Assertion (A): The repetitive DNA are separated from bulk genomic DNA as different peaks during density gradient centrifugation.
Reason (R): The bulk DNA form a minor peak & other major peaks are referred to as satellite DNA.
Reason (R): The bulk DNA form a minor peak & other major peaks are referred to as satellite DNA.
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Correct option: B
A is correct but R is not correct
Option B is correct because while the assertion about repetitive DNA separation is true, the reason provided is not the correct explanation for this phenomenon.
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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?