Showing posts with label It's Apoorv Singh. Show all posts
Showing posts with label It's Apoorv Singh. Show all posts
SIZE OF THE NUCLEUS
It is experimentally found that the size(volume) of nucleus is directly proportional to the mass number. V ∝A V =R'A 4/3 Ï€ R…
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NUCLEI
Rutherford alfa particle scattering gives ideas that the positive charge and all the mass of an atom is densely concentrated at central of the atom in very sma…
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LYSOSOMES
It is the simple tiny sac like structure evenly distributed in cytoplasm. It is single membrane and contains powerful enzymes. These enzymes are capable of dig…
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GOLGI APPARATUS (GOLGI BODY OR GOLGI COMPLEX)
It is cellular organelles present in most of the eukaryotic cell. It helps in packaging of protein before they are sent to their destination and acts as a post…
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RIBOSOMES
It is cell organelles of both prokaryotic and eukaryotic without the membrane. It occurs freely in cytosol or attached with RER. It is made up of RNA and prote…
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ENDOPLASMIC RETICULAUM (ER)
Endoplasmic reticulum is the one of the most important organelles of eukaryotic cell. It produce protein and lipids , process it and transport it. Structure T…
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CENTROSOME
It is present only in animal cell. It is not bounded by any membranes. Centrosome consists of two granules like structure called centrioles. Centrioles are mad…
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PEROXISOMES
It is single membrane bounded organelles in the cytoplasm. It contains powerful oxidative enzymes. It is mostly found in kidney and liver cells. Functions It b…
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VACUOLES
Vacuole is membrane bounded cell organelles. The membrane of Vacuoles is called tonoplast. Vacuoles in animal cell In animal cell vacuoles are temporary. It is…
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CHLOROPLAST
Found in green algae and higher plant. Chloroplast have green pigment called chlorophyll. Chlorophyll is helpful in photosynthesis and plant get food by the ph…
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PLASTIDS
Plastids are found in almost every plant cell . It is similar to mitochondria because it also have ability to self replicating and it also have their own genom…
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MITOCHONDRIA
Mitochondria is membrane bound cell organelles where the energy is produced. Structure Shape- cylindrical, rod-shaped, spherical Size:- (0.2-2)mm Bounded by do…
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CELL ORGANELLES
Structures within the cell that perform specific function. Functions that performed by cell are:- Synthesize Secrete Digest Generate energy For different funct…
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CYTOPLASM
Everything inside the cell membrane is known as protoplasm. Inside the protoplasm cytoplasm and nucleoplasm are present. Cytoplasm is the jelly like structure…
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DIPLOID AND HAPLOID
There are two types of cell present in eukaryotes. Diploid cell Haploid cell Diploid The cells in which chromosome is in pair is called diploid cell. Haploid …
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NUCLEUS
Nucleus is the largest centrally located cell organelles which contain genetic material of the eukaryotic cell. It is covered by nuclear membrane. Nuclear memb…
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FUNCTION OF CELL WALL
Protection:- Cell wall protect the plant cell from plant virus and other pathogens. Cell wall also prevent water loss. Cell wall provides mechanical support …
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CELL WALL
Cell wall is the rigid, semi permeable,protective outermost layer of plant cell or some other fungi,bacteria,algae etc. The main function of cell wall is:- Pro…
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EXOCYTOSIS
The releasing of product and waste materials from the cell through the cell membrane is known as exocytosis. Substances released by cell through the process of…
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ENDOCYTOSIS
The intaking of molecules inside the cell through cell membrane is known as endocytosis. There are mainly three process comes under endocytosis:- Phagocytosis …
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