Organelles can be separated from cell homogenate through ________________.
chromatography
x ray diffraction
differential centrifugation
auto radiography
Which of the following occurs more than one and less than five in a chromosome?
chromatid
Chromosome
centromere
Telomere
Mitotic anaphase diffres from metaphase in possessing _______________.
same number of chromosomes and same number of chromatids
half number of chromosomes and half number of chromatids
half number of chromosomes and same number of chromotids
same number of chromosomes and half number of chromatids
Microtubules absent in ______________.
mitochondria
centriole
flagella
spindle fibres
Mitochondrial cristae are sites of __________________.
breakdown of macromolecules
protein synthesis
phophorylation of flavoprotein
oxidation - reduction reaction
In chloroplasts chlorophyll is present in the _____________.
outer membrane
inner membrane
thylakoids
stroma
How many mitotic divisions are needed for a single cell to make 128 cells?
7
14
28
64
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
In plant cells, peroxisomes are associated with _______________.
photorespiration
phototropism
photoperiodism
photosynthesis
In the somatic cell cycle _____________.
in G1 phase DNA content is double the amount ofDNA present in the original cell
DNA replication takes place in S phase
a short interphase is follwoed by a long mitotic phase
G2 phase follows mitotic phase
