Animal Cell- Definition, Organelles, Structure, Parts, Functions, Labeled Diagram, Worksheet

Definition of animal cell An animal cell is a eukaryotic cell that lacks a cell wall, and it is enclosed by the plasma membrane. The cell organelles are enclosed by the plasma membrane including the cell nucleus. Unlike the animal cell lacking the cell wall, plant cells have a cell wall. Animals are a large group of diverse living organisms that make up three-quarters of all species on earth. With their ability to move, respond to stimuli, respond to environmental … Read more

Lysosomes- Definition, Structure, Functions and Diagram

Lysosomes- Structure, Enzymes, Types, Functions

Lysosomes Definition Lysosomes are membrane-bound, dense granular structures containing hydrolytic enzymes responsible mainly for intracellular and extracellular digestion. The word “lysosome” is made up of two words “lysis” meaning breakdown and “soma” meaning body. It is an important cell organelle responsible for the inter and extracellular breakdown of substances. They are more commonly found in animal cells while only in some lower plant groups ( slime molds and saprophytic fungi). Lysosomes occur freely in the cytoplasm. In animals, found in … Read more