Last seen: Nov 14, 2021
Lysosomes are known as suicide bags of the cell because they contain lytic enzymes capable of digesting cells and unwanted materials. When lysosomes b...
(a) Ribosome (b) Leucoplasts
(a) Endoplasmic reticulum It plays a major role in the production, processing, and transport of proteins and lipids. It produces transmembrane ...
Spinach is green because of the presence of green pigment chlorophyll. Papaya is yellow because of the presence of caricaxanthin. The edible part of a...
If the nucleus of a cell is removed the cell will not be able to carry out its vital functions and will die.
Plant cell Cell wall is present. Nucleus lies on one side of the cell. Animal cell Cell wall is absent. Nucleus lies on one center of the ce...
(a) Chromoplast Chromoplasts are plastids and contain carotenoids. They lack in chlorophyll. Chromoplasts may develop from green chloroplasts. C...
(a) Ribosome (b) Plastid in plants and Nucleus in animal cell. (c) Rough endoplasmic reticulum contains a ribosome attached to its surface. (d)...
When eukaryotic cells are placed in the following solutions the changes observed are as follows: Hypotonic Solution: The water moves from a region ...
Endocytosis is defined as the process of trapping a particle or substance from the external environment by engulfing it. Endocytosis is of two types v...
Diffusion: This occurs in all mediums - Solid, Liquid and gas. Do not require a semipermeable membrane. The flow of particles occurs in all the ...
1. Take three raisins and weigh them on the common balance. Let this value be W1. 2. Keep these raisins in a bowl containing water for 2 hours. ...
In unicellular organisms like Amoeba, gaseous exchange takes place through the process of diffusion.
The plasma membrane forms a barrier between the cell organelles from the outside environment. It allows only certain molecules to pass through it. ...
There are two types of proteins molecules are found in the plasma membrane: (i) Intrinsic proteins: They completely cover the lipid bilayer. (ii...
Cells are the basic structural and functional unit of life. The term cells was first coined in 1665 by a British scientist Robert Hooke. He was the fi...
Light microscope Uses light as an illuminating source. Both live and dead specimen can be seen. It has low resolution. Electron microscope ...
Nucleus A nucleus is a membrane-bound structure in which eukaryotes store their genetic materials. Contains many chromosomes. It is an irregular...
Organ: These are the parts of a body. These are found in multicellular organisms. These are macroscopic in nature. Example: Brain, Heart, Lungs...
Prokaryotic: Organisms are always unicellular. Nucleus is absent. Cell division takes place through binary fission. DNA arrangement is circular...