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Molecular Basis of Inheritance MCQs
Class XII Biology
•
NCERT Based
•
NEET Practice
📘 Concept Based
📝 Exam Level
🤖 AI Explanations
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668 questions in this chapter
Question 491 of 668
📘 CLASS XII
In protein synthesis, the polymerization of amino acids involves three steps. Which is not one of them?
Transcription creates mRNA, it is not a step of translation (polymerization of AA).
Question 492 of 668
📘 CLASS XII
During translation, the _______ site holds the tRNA carrying the growing polypeptide chain.
P site holds the polypeptide.
Question 493 of 668
📘 CLASS XII
An mRNA molecule is produced by _______
mRNA is produced by transcription.
Question 494 of 668
📘 CLASS XII
_______ refers to the removal of introns and joining of exons.
Splicing removes introns.
Question 495 of 668
📘 CLASS XII
A sequence of three nucleotides in mRNA that codes for an amino acid is called a _______
A triplet in mRNA is a codon.
Question 496 of 668
📘 CLASS XII
The molecule that carries amino acids to the ribosome is _______
tRNA carries amino acids.
Question 497 of 668
📘 CLASS XII
Synthesis of a polypeptide from an mRNA template is called _______
mRNA to protein is translation.
Question 498 of 668
📘 CLASS XII
The genetic material of HIV is _______
HIV is a retrovirus with ssRNA.
Question 499 of 668
📘 CLASS XII
In DNA, the complementary base of Adenine is _______
A pairs with T in DNA.
Question 500 of 668
📘 CLASS XII
The bond between the phosphate group and the sugar in a nucleotide is _______
Phosphate to sugar is phosphoester.
