In salivary gland chromosomes/polytene chromosomes pairing is
absent
occasional
formed between non-homologous chromosomes
formed between homologous chromosomes
Binding of specific protein on regulatory DNA sequence can be studied by means of
ultra centrifugation
electron microscope
light microscope
X-rays crystallography
Addition of new cell wall particles amongst the existing ones is
deposition
apposition
intussusception
aggregation
Mitotic anaphase differs 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 chromatids
same number of chromosomes and half number of chromatids
In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to
segregation, independent assortment and crossing over
segregation and crossing over
independent assortment and crossing over
segregation and independent assortment
Best stage to observe shape, size and number of chromosomes is
interphase
metaphase
prophase
telophase
Ribosomes were discovered by
Golgi
Porter
De Robertis
Palade
Organelles can be separated from cell homogenate through
chromatography
X-rays diffraction
differential centrifugation
auto-radiography
Oxysomes or F0 - F1 particles occur on
thylakoids
mitochondrial surface
inner mitochondrial membrane
chloroplast surface
Angstrom (Å) is equal to
0.01 μm
0.001 μm
0.0001 μm
0.00001 μm