Cell-The Unit Of Life Flashcards
Who discovered dead plant cell?
Robert Hooke - Micrographia
Who discovered first living cell?
Anton Von Leewenhoek
Cell theory was given by
Mathhias Schleiden and Theodore Schwann
Nucleus of prokaryotic cell
Double stranded circular DNA/Genophore/False nucleus
Nucleus of eukaryotic cell
Double stranded linear DNA
Size of an RBC
7µm
Size of mycoplasma
0.3 µm
Size of a virus
0.02-0.2 µm
Solid part of cytoplasm is known as
Trophoplasm
Who discovered cell wall
Robert Hooke
In fungi, cellulosic cell wall occours in
Oomycetes
What is middle lamella made up of
Calcium and magnesium pectate
Who makes suberin and cutin ?
Sphreosome
Where is tertiary cell wall found?
Tracheid of gymnosperms
What is the nature of cell membrane?
Quasifluid
Which water pathway does plasmodesmata support?
Symplast
What is the nature of phospholipids?
Amphipathic
Which substance is abundant in middle lamella?
Calcium pectate
Where does lignin originate from?
Golgi body( dictyosomes)
What is cutin made up of?
Lipid
What is pectin and hemicellulose made up of?
Carbohydrates
Where does lignification occour?
Secondary cell wall
What is tertiary cell wall made up of?
Xylan and hemicellulose
Where does suberization happen?
Middle lamella
Give three names for cell membrane
Plasma lemma, biomembrane and plasma membrane