EASY
TS EAMCET
IMPORTANT
Earn 100

Identify the correct arrangement of different genes in Lac operon from the following.
(a)p, i, z, y, a
(b)i, p, z, y, a
(c)p, o, p, i, y, z
(d)z, y, a, o, i, p

50% studentsanswered this correctly

Important Questions on Molecular Basis of Inheritance
MEDIUM
TS EAMCET
IMPORTANT
Identify the incorrect phenomenon expressed by a bacterium grown in a medium lacking lactose.
I) Initiates beta-galactosidase activity
II) Bacteria does not produce galactose and glucose
III) Promotor site of transcription unit acts as a repressor

HARD
TS EAMCET
IMPORTANT
Assertion Between and , is a better genetic material.
Reason group present in every nucleotide in is a reactive group and make labile and easily degradable.
The correct answer is:

MEDIUM
TS EAMCET
IMPORTANT
DNA is _________ charged and is usually held with some proteins which are _______ charged in a region termed as ______.
(A) Positively
(B) Negatively
(C) Loops
(D) Genophore
(E) Nucleosome

EASY
TS EAMCET
IMPORTANT
Choose correct statements among the following.
A) Histone molecule lies outside nucleosome and seals.
B) Negatively charged DNA and positively charged histones allows packaging of DNA.
C) Each nucleosome has histone molecular and nucleotides pairs of DNA.
D) The DNA between two successive nucleosomes is called linker DNA,
