Which one of the following has its own DNA ?
Mitochondria
Dictyosome
Lysosome
Peroxisome
Cell wall consists of
lignin,hemicellulose,protein and lipid
hemicellulose, cellulose, lignin
lignin,hemicellulose, pectin and lipid
lignin,hemicellulose, pectin and cellulose
Membrane that covers the vacuole in a plant cell is called
tonoplast
tonoplasm
jacket
cell membrane
Which is not true about prokaryotes ?
DNA is complexed with histones
Well developed nucleus absent
Mesosome present
Mitrochondria absent
Polysome is formed by
several ribosomes attached to a single mRNA
many ribosomes attached to a strand of endoplasmic reticulum
a ribosome with several subunits
ribosomes attached to each other in a linear arrangement
In flagella membrane, which enzyme catalyses ATP activity ?
Cytoplasmic dynein
Asconic dynein
Kinesis
Myosin
Lysosomes are reservoirs (store house ) of
hydrolytic enzymes
secretory glycoproteins
RNA and protein
fats or sugars or ATP
The infoldings in mitochondria are known as
cristae
matrix
cisternae
thylakoids
Acid hydrolase is found in
Golgibody
ER
Vacuole
Nucleic acid occurs in _____________ .
Golgi body
Iysosomes
cytoplasm
mitochondria and chloroplast