Ribosomes were discovered by
Golgi
Porter
De Robertis
Palade
Binding of specific protein on regulatory DNA sequence can be studied by means of
ultra centrifugation
electron microscope
light microscope
X-rays crystallography
Organelles can be separated from cell homogenate through
chromatography
X-rays diffraction
differential centrifugation
auto-radiography
Meiosis-I is reductional division. Meiosis-II is equational division due to
pairing of homologous chromosomes
crossing over
separation of chromatids
disjunction of homologous chromosomes
Angstrom (Å) is equal to
0.01 μm
0.001 μm
0.0001 μm
0.00001 μm
Experiments on Acetabularia by Hammerling proved the role of
cytoplasm in controlling differentiation
nucleus in heredity
chromosomes in heredity
nucleo-cytoplasmic ratio
Acetabularia used in Hammerling's nucleocytoplasmic experiments is
unicellular fungus
multicellular fungus
unicellular uninucleate green alga
unicellular multinucleate green alga
Segregation of Mendelian factor (Aa) occurs during
diplotene
anaphase-I
zygotene / pachytene
anaphase - II
Best stage to observe shape, size and number of chromosomes is
interphase
metaphase
prophase
telophase
In salivary gland chromosomes/polytene chromosomes pairing is
absent
occasional
formed between non-homologous chromosomes
formed between homologous chromosomes
