Meiosis - II performs ___________________.
separation of sex chromosome
synthesis of DNA centeromeres
separation of homologous chromosomes
separation of chromatids
Cell wall shows _____________.
Complete premeability
semi permeability
differential permeability
impermeability
Number of chromotids at metaphase is _____________.
two each in mitosis and meiosis
two in mitosis and one in meiosis
two in mitosis and four in meiosis
One in mitosis and two in meiosis
Genes located on mitochondrial DNA _________________.
generally show maternal inheritance
are always inherited from the male parent
show biparental inheritance like the nuclear gens
are not inherited
A bivalent consists of ______________.
two chromotids and one centromere
two chromotids and two centromeres
four chromotids and two centeromeres
four chromotids and four centeromeres
The exchange of genetic material between chromatids of paired homologous chromosomes during first meiotic division is called _______________.
transformation
chiasmata
crossing over
synapsis
Microtubules absent in ______________.
mitochondria
centriole
flagella
spindle fibres
Cell recognition and adhesion occur due to biochemicals of cell membranes named ___________.
proteins
lipids
proteins and lipids
glycoproteins and glycolipids
Some of the enzymes which are associated in converting fats into carbohydrates, are present in _____________.
liposomes
Golgi bodies
microsomes
Glyoxysomes
Balbiani rings (puffs) are sites of ________________.
DNA REPLICATION
RNA and protein synthesis
synthesis of polysaccharides
synthesis of lipids
