In cell cycle, DNA replication takes place in ___________.
G1 - phase
G2 phase
mitotic metaphase
S - phase
Which one of the follwooing precedes reformation of the nuclear envelope during M -phase of the cell cycle?
Decondensation from chromosomes and ressembly of he nuclear lamins
Transcription from chromosomes and ressembly of the nuclear lamina
Formation of the contractile ring and formation of teh phrgmoplast
Formation of the contactile ring and transcription from chromosomes
Crossing over that results in genetic recombination in higher organisms occur between ____________.
sister chromatids of bivalent
non - sister chromatidsof a bivalent
two daughter nuclei
two different bivalents
In chloroplasts chlorophyll is present in the _____________.
outer membrane
inner membrane
thylakoids
stroma
Ribosome are the centre for ____________.
Golgi complex
Endoplasmic reticulum
Microfilaments
Microtubules
Resolution power is the ability to ____________.
distinguish two trees
distinguish two close objects
distinguish amongst organelles
impermeability
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
Extra nuclear DNA (genes) are located in ___________.
lysosome and chloroplast
Golgi complex and ribosomes
chloroplasts and mitochondria
ribosomes and mitochondria
A bivalent consists of ______________.
two chromotids and one centromere
two chromotids and two centromeres
four chromotids and two centeromeres
four chromotids and four centeromeres
Oxysome or F0 - F1 particles occur on ____________.
mitochondrial surface
inner mitochondrial membrane
chloroplast surface
