Holozoic Nutrition
Holozoic nutrition refers to a form of heterotrophic nutrition where an organism consumes complex organic food materials by ingesting them, followed by digestion and absorption of the nutrients into its …
Biology
Golgi Apparatus
Golgi-apparatus or Golgi complex or Golgi body is a system of stacks of flattened, membrane-bound sacs, vesicles, and tubules that participate in the transformation, secretion, and production of complex biochemicals. …
Endoplasmic Reticulum
Endoplasmic Reticulum (ER) is a continuous and complex system of interconnected flattened membranous sacs and tubules that runs through the cytoplasm. It divides the cytoplasm into two compartments- luminal (inside …
Cytoplasm
The cytoplasm is jelly-like semi-fluid, containing the cytoplasmic matrix, cell organelles, and cell inclusions. The cytoplasmic matrix (the cytosol) is a crystal-colloidal complex comprising 90% water. Matrix contains various biomolecules, …
Ribosomes
Ribosomes are giant macromolecule in the cytoplasm which are responsible for protein synthesis. They are not bound by a membrane. They have a length of 200-340 A, a diameter of …
Lysosomes
Lysosomes are organelles enclosed by a single impermeable membrane and contain hydrolytic (digestive) enzymes in the form of granules which can be crystalline or semicrystalline. They contain hydrolytic enzymes like …
Mitochondria
Mitochondrion (pl. Mitochondria) is a double membranous organelle in cells of aerobic eukaryotic organisms. Popularly known as the “Powerhouse of the Cell”, it produces ATP by oxidative phosphorylation. This process …
Bacteriophage
A bacteriophage is a group of viruses that infect bacteria. It hijacks the bacterium’s cellular machinery to produce viral components inside it. Bacteriophage also infects single-celled prokaryotic organisms known as …
Double Circulation
The circulatory system is an organ system that is responsible for circulating body fluid throughout the entire body of an organism. The human circulatory system is made up of blood …
Difference Between Dominant and Recessive Traits
A trait is a phenotypic feature of an individual that results due to certain genetic factors. The trait that is expressed first in an individual and is identifiable is called …
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