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NEET UG BIOLOGY MCQ: MOLECULAR BASIS OF INHERITANCE
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The given nucleotide sequence on mRNA is as shown below 5'AUGUCAUGGGAGUGAGUUGGGCUAAAAUAG 3'
A) How many amino acids will be inserted in a polypeptide chain under normal conditions
B) How many amino acids will be inserted in a polypeptide chain in a mutated situation by the deletion of 9th nucleotide in the cistron part of DNA?
A) How many amino acids will be inserted in a polypeptide chain under normal conditions
B) How many amino acids will be inserted in a polypeptide chain in a mutated situation by the deletion of 9th nucleotide in the cistron part of DNA?
View answer and explanation
Correct option: B
(A) 4 , (B) 7
Option D ((A) 5 (B) 7) is correct because under normal conditions, 5 amino acids are inserted, and with the deletion, 7 amino acids are inserted.
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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?