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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
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Read the following statements and select the correct ones w.r.t. DNA structure.
A. Two nucleotides are linked through phosphodiester linkage.
B. Pyrimidine nucleosides have linkage.
C. Base pairing confers stability of DNA helix.
D. Purines are heterocyclic, 6 membered single ring structures.
A. Two nucleotides are linked through phosphodiester linkage.
B. Pyrimidine nucleosides have linkage.
C. Base pairing confers stability of DNA helix.
D. Purines are heterocyclic, 6 membered single ring structures.
View answer and explanation
Correct option: C
All except D
Option C is correct because statements A, B, and C accurately describe aspects of DNA structure, while statement D incorrectly describes purines.
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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?