|
Unlimited Tutoring & Homework Help
|
Cell Wall in Plant Cells
A cell wall surrounds the plasma membrane in all plant cells. It is a porous covering of about 0.1 milli microns to 10 milli microns in size. The cell wall is chiefly composed of insoluble polysaccharides. The most common constituent is cellulose. Certain oth..
Cell Theory and Cell Principle
Cell Theory - Two German biologists M.J.Schleiden (1838) and Theodore Schwann (1839) proposed the cell theory (or cell doctrine), which unified the ideas prevailing at that period on the organisation in plants and animals. The cell theory ..
Cell Theory
Two German biologists M.J.Schleiden (1838) and Theodore Schwann (1839) proposed the cell theory (or cell doctrine), which unified the ideas prevailing at that period on the organisation in plants and animals. The cell theory states that All living o..
Structure of Cell
Cells vary in shape and size. They may be oval, spherical, rectangular, polygonal, spindle shaped, star shaped, rod-shaped or totally irregular like the nerve cell. The diversity in cells is in accordance with the role or function it has to perform as pa..
Cells vary in shape and size. They may be oval, spherical, rectangular, polygonal, spindle shaped, star shaped, rod-shaped or totally irregular like the nerve cell. The diversity in cells is in accordance with the role or function it has to perform as pa..The main differences between a typical animal cell and a typical plant cell are summarized below:
Animal cell Plant cell Usually smaller in size Usually larger in size Cell wall is absent. Cellulose in any form is absent Cell wall made up of cellulose is present Cytoplasm is denser, more granular and occupies m..
Cell and Cell Structure Introduction
Did You Know? - The cells that make up our body are so small that you would fit over 200 of them on the full stop at the end of this sentence. The word cell is derived from the Latin word cellula which means a little room. It was the British botanist Robert Hooke who, in 1664, w..
Cell Membrane (Plasma membrane)
It is present in both plant and animal cells. It is living, elastic and made of proteins and lipids (fats). Its function is to provide a mechanical barrier for the protection of the inner cell contents and to regulate the movement of molecules in a..
Cell wall
The cell wall is present only in plant cells. It is made up of a complex polysaccharide carbohydrate called cellulose. Its function is to give strength and rigidity to the cell. It is non-livin..
Prokaryotic and Eukaryotic Cells
.10 - Prokaryotic and Eukaryotic Cells The eukaryotic cells have an organised nucleus. The genetic material is found forming a distinct thread like chromatin. It is bound by a distinct nuclear membrane that separates it from the surrounding cytoplasm. Membrane bound cell..
Result
Pages   :     1     2     3     4     5     6     7     8     9     10     11
See what our Users say :
This tutor was excellent. very clear on all of the problems. I would like to have more tutoring from Tutor Vista
This Tutor Vista is GREAT! loved this session, it helped me heaps.
Thank you very much for helping to me is very important to have my lessons. Because you manage to take good notes in school thank you Tutor Vista
Tutor Vista tutors are pleasant and great to work with, they were very patient and explained everything that is simple to follow. I love working with them. - John Coakley

