Embibe Experts Solutions for Chapter: Molecular Basis of Inheritance, Exercise 1: TS EAMCET Medical 2021 (9-Aug Shift-1)

Chromatin is constituted by:
I) Non Histone chromosomal proteins
II) Densely packed DNA with dark stain
III) Repeated units of DNA with 200bp length
IV) Repeated units of negatively charged DNA wrapped by positively charged histone protein

Choose the incorrect statements.
(A) Transformation was not inhibited by protease and DNase.
(B) Transformation was affected by protease and DNase.
(C) Transformation was affected by RNase.
(D) Transformation was affected by DNase.

Choose the wrong statements
A) Expressed sequences of eukaryotic genes are exons
B) Intervening gene sequences of eukaryotes that do not appear in processed RNA are cistrons
C) Process of removal of introns and joining of exons in defined order is splicing
D) Monocistronic transcriptional unit has only exons

Identify the correct statement.

Rho factor is associated with:

Choose the correct statements.
A) There are few uncatalyzed metabolic conversions in living system like protein degradation.
B) Study of energy conversion in the living cells is called Bioenergetics.
C) In DNA, each step of nucleotide pair will turn $36°$.
D) The first amino acid in a protein chain is called $‘\mathrm{C}’$ terminal amino acid.

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

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