Meiosis - II performs ___________________.
separation of sex chromosome
synthesis of DNA centeromeres
separation of homologous chromosomes
separation of chromatids
Mitotic spindle is mainly composed of which protein?
Actin
Myosin
Actomyosin
Myoglobin
Fluid mosaic model of cell membrane was put forward by ____________.
Danielli and Davson
singer and Nicolson
Garner and Allard
Watson and Crick
Magnification of compound microscope is not connected with _____________.
numerical aperture
focal length of objective
focal length of eye piece
tube length
Microtubules absent in ______________.
mitochondria
centriole
flagella
spindle fibres
Nucleoproteins are synthesized in ______________.
nucleoplasma
nuclear envelope
nucleolus
cytoplasm
The mechanism of ATP formation both in chloroplast and mitochondrial is explained by ________________.
Relay pump theory of godlewski
cholodny - went's model
chemiosmotic theory
Munch's mass flow hypothesis
During cell cycle the DNA replication occurs in _____________.
M - phase
S - phase
G1 - phase
G2 -phase
Segregation of Mendelian factor (Aa) occurs during ____________.
diplotene
anaphase
Zygotene / pachytene
anaphase - II
In an animal cell, protein synthesis takes place _____________.
only on the ribosomes present in cytosol
only on ribosomes attached to nuclear enveloped and ER
on ribosomes present in the nucleolus as well as in cytoplasm
on ribosomes preseent in the cytosol as well as in the mitochondria