In fluid mosaic model of plasma membrane _____________.
upper layer is non poler and hydrophilic
upper layer is polar an hydrophobic
phopholipids from a biomolecular layer in middle part
proteins from a middle layer
An outer covering membrane is absent over ____________.
nucleolus
lysosome
mitochondria
plastids
In which one of the following is nitrogen not a constituet?
Pepsin
Idioblast
Bacteriochlorophyll
Invertase
Meiosis - II performs ___________________.
separation of sex chromosome
synthesis of DNA centeromeres
separation of homologous chromosomes
separation of chromatids
Some of the enzymes which are associated in converting fats into carbohydrates, are present in _____________.
liposomes
Golgi bodies
microsomes
Glyoxysomes
Magnification of compound microscope is not connected with _____________.
numerical aperture
focal length of objective
focal length of eye piece
tube length
Which one of the follwooing precedes reformation of the nuclear envelope during M -phase of the cell cycle?
Decondensation from chromosomes and ressembly of he nuclear lamins
Transcription from chromosomes and ressembly of the nuclear lamina
Formation of the contractile ring and formation of teh phrgmoplast
Formation of the contactile ring and transcription from chromosomes
Organelles can be separated from cell homogenate through ________________.
chromatography
x ray diffraction
differential centrifugation
auto radiography
The function of rough endoplasmic reticulum is ______________.
fat synthesis
lipid synthesis
protein synthesis
steroid synthesis
Inner membrane convolutions of a mitochondrion are known as ________________.
lamellae
thylakoids
grana
cristae
