Centromere is a part of
ribosomes
chromosome
mitochondria
endoplasmic reticulum
Binding of specific protein on regulatory DNA sequence can be studied by means of
ultra centrifugation
electron microscope
light microscope
X-rays crystallography
Inner membrane convolutions of a mitochondrion are known as
lamellae
thylakoids
grana
cristae
In plant cells, peroxisomes are associated with
photorespiration
phototropism
photoperiodism
photosynthesis
Ribosomes are the centre for
respiration
protein synthesis
fat synthesis
Which one of the following structures will not be common to mitotic cells of higher plants?
Cell plate
Centriole
Centromere
Spindle fibres
Angstrom (Å) is equal to
0.01 μm
0.001 μm
0.0001 μm
0.00001 μm
Organelles can be separated from cell homogenate through
chromatography
X-rays diffraction
differential centrifugation
auto-radiography
In cell cycle, DNA replication takes place in
G1 -phase
G2-phase
mitotic metaphase
S-phase
During cell division in apical meristem the nuclear membrane appears in
metaphase
anaphase
telophase
cytokinesis