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Molecular Basis of Inheritance PYQ — Page 7

NEET UG Zoology — Molecular Basis of Inheritance previous year questions with solutions.

All Molecular Basis of Inheritance Questions (182)

During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle - like structure. What is it's DNA-binding sequence?

2007
easy
mcq

The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?

2007
easy
mcq

Molecular basis of organ differentiation depends on the modulation in transcription by:

2007
easy
mcq

The Okazaki fragments in DNA chain growth:

2007
medium
mcq

Telomere repetitive DNA sequences control the function of eukaryotic chromosomes because they:

2007
easy
mcq

Which antibiotic inhibits interaction between $t$ RNA and $m$ RNA during bacterial protein synthesis?

2006
easy
mcq

Antiparallel strands of a DNA molecule means that:

2006
easy
mcq

One turn of the helix in a B-form DNA is approximately:

2006
easy
mcq

Amino acid sequence, in protein synthesis is decided by the sequence of:

2006
easy
mcq

One gene-one enzyme hypothesis was postulated by:

2006
easy
mcq

During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is chat sequence called?

2005
easy
mcq

Which one of the following makes use of RNA template to synthesize DNA?

2005
easy
mcq

Protein Synthesis in an animal cell occurs:

2005
medium
mcq

E.coli cells with a mustard $z$ gene of the lac operon cannot grow in medium containing only lactose as the source of energy because:

2005
easy
mcq

After a mutation at a genetic locus the character of an organism changes due to change in:

2004
medium
mcq

During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG then the nucleotide sequence in the $m$ RNA would be:

2004
easy
mcq

DNA fingerprinting refer to:

2004
easy
mcq

Which form of RNA has a structure resembling clover leaf?

2004
easy
mcq

According to Oparin, which one of the following was not present in the primitive atmosphere of the earth?

2004
medium
mcq

The telomeres of eukaryotic chromosomes consist of short sequences of:

2004
medium
mcq

During replication of a bacterial chromosome DNA synthesis starts from a ori site and:

2004
easy
mcq

Degeneration of a genetic code is attributed to the:

2003
easy
mcq

Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as 'start' or 'stop' codon?

2003
easy
mcq

Genetic map is one that:

2003
easy
mcq