Mitochondria are semi-autonomous as they possess
DNA
DNA and RNA
DNA, RNA and ribosomes
protein
Thylakoids occur inside
mitochondria
chloroplast
golgi apparatus
endoplasmic reticulum
The infoldings in mitochondria are known as
cristae
matrix
cisternae
thylakoids
In which of the following organelle, highest number of secretory cells are present ?
Dictyosome
ER
Lysosome
Vacuole
Subunits in prokaryotic ribosomes are
60S -40S
50S-30S
40S-30S
50S-20S
Acid hydrolase is found in
Golgibody
Which lenses in electron microscope are used to control and focus of electron ?
Convex lens
Concave lens
Electric lens
Magnetic lens
A cell organelle that is exceptionally rich in hydrolytic enzymes is
ribosome
Iysosome
Middle lamella is mainly composed of
hemicellulose
muramic acid
calcium pectate
phosphoglycerides
In which cell organells, a lipoprotein covering is absent ?
Ribosomes
Lysosomes
Mitochondria
Peroxisomes