Posts

Showing posts with the label mitochondria

CELL ORGANELLES

INTRODUCTION Plants are eukaryotes, multicellular organisms that have membrane-bound organelles. Unlike prokaryotic cells, eukaryotic cells have a membrane-bound nucleus. A plant cell is different from other eukaryotic cells in that it has a rigid cell wall, a central vacuole, plasmodesmata, and plastids. Plant cells take part in photosynthesis to convert sunlight, water, and carbon dioxide into glucose, oxygen, and water. Plants are producers that provide food for themselves (making them autotrophs) and other organisms.   Parts These are some of the parts common to plant cells: • Cell Wall - smooth layer that provides DNA and protection from osmotic swelling. • Cell ( Plasma ) Membran e - it is composed of a phospholipid  lipid bilayer  (including polar hydrophilic heads facing outside and hydrophobic tails facing each other inside) that makes it semipermeable and thus capable of selectively allowing certain ions and molecules in/out of the cell. • Cytopl...

POWER HOUSE OF CELL- MITOCHONDRIA

Image
 MITOCHONDRIA Mitochondria (singular: mitochondrion) are twofold film bound cell organelles with a normal size of 0.75-3 μm². They are found in most mammalian cells, with prominent exemptions including experienced erythrocytes. Traditionally alluded to as the 'force to be reckoned with of the phone', they are the site of most of ATP union and are accordingly uncommonly essential to work both minutely and visibly.  STRUCTURE  Mitochondria have an internal and external layer, with an intermembrane space between them. The external film contains proteins known as porins, which permit the development of particles into and out of the mitochondrion. Proteins engaged with the prolongation of unsaturated fats and the oxidation of adrenaline can likewise be found on the external layer.  The space inside the internal layer of the mitochondrion is known as the network, which contains the chemicals of the Krebs (TCA) and unsaturated fat cycles, close by DNA, RNA, ribosomes and ca...