Solve a free online interactive MCQs test on ‘Molecular basis of Inheritance’ with instant answers and reporting. Test # 02
Molecular Basis of Inheritance: MCQs Quiz - 2
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DNA is a polymer made of ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
Chromosome is made up of
DNA + pectin
RNA + DNA
DNA + Histone
The region of tRNA which consists of three bases complementary to a mRNA codon is ______.
A DNA segment which serves as a kind of “on-off switch” for transcription is a/an ______.
Mitochondria are semi autonomous as they possess
DNA + RNA
DNA + RNA Ribosomes
RNA has the sugar ______, instead of deoxyribose.
There is no DNA in
An enucleated ovum
A mature spermatozoan
The Segments of DNA, capable of moving from one location to another are
Match the followings:
|A||tRNA||1||Linking of amino acids|
|B||mRNA||2||Transfer of genetic information|
|C||rRNA||3||Nucleolar organising region|
|D||Peptidyl transferase||4||Transfer of amino acid from cytoplasm of ribosome|
A = 4, B = 2, C = 3, D = 1
A = 1, B = 4, C = 3, D = 2
A = 1, B = 2, C = 3, D = 4
A = 1, B = 3, C = 2, D = 4
______ catalyzes the formation of RNA on a DNA template and capable of binding to a promoter.
Gel electrophoresis is used for
Isolation of DNA molecule
Cutting of DNA into fragments
Separation of DNA fragments according to their size
Construction of recombinant DNA by joining with cloning vectors
The anti-parallel nature of DNA refers to
Its charged phosphate groups
The formation of hydrogen bonds between bases from opposite strands
The opposite direction of the two strands
The pairing of bases on one strand with bases on the other strand
Beadle and Tatum showed that each kind of mutant bread mould they studied lacked a specific enzyme. Their experiments demonstrated that
Cells need specific enzymes in order to function
Genes are made of DNA
Enzymes are required to repair damage
Genes carry information for making proteins
What is antisense technology?
RNA polymerase producing DNA
A cell displaying a foreign antigen used for synthesis of antigens
Production of somaclonal variants in tissue cultures
When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
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