What is organelles in biology class 11?

In eukaryotic cells, the cytoplasm contains various cell organelles that help in the normal functioning of the cells. These cell organelles are Endoplasmic reticulum, Golgi bodies, lysosomes, mitochondria, nucleus in animal cells and in plant cell vacuole and chloroplasts are also present.

What is an example of an organelle in biology?

The nucleus, the mitochondrion, the chloroplast, the Golgi apparatus, the lysosome, and the endoplasmic reticulum are all examples of organelles. Some organelles, such as mitochondria and chloroplasts, have their own genome (genetic material) separate from that found in the nucleus of the cell.

What is an organelle in biology for kids?

In cell biology, an organelle is a part of a cell that does a specific job. Organelles typically have their own plasma membrane round them. Most of the cell’s organelles are in the cytoplasm. The name organelle comes from the idea that these structures are to cells what an organ is to the body.

What are cell organelles small definition?

An organelle is one small part of a cell that has a very specific function or job. The nucleus itself is an organelle. The different parts of a cell, especially the ones that are separated from the rest of the cell by a membrane, are known as organelles.

What is the definition of an organelle?

Definition of organelle. : a specialized cellular part (such as a mitochondrion, chloroplast , or nucleus) that has a specific function and is considered analogous to an organ.

What are the functions of cell organelles?

Organelles are specialized parts of the cell, each having its own function; major functions of the organelles include cellular respiration, creation of new proteins and destruction of waste material. Finally, cytoplasmic inclusions are non-soluble molecules floating within the cytoplasm; in many cells,…

Is myofibril an organelle in the cell?

A myofibril is a long cylindrical organelle found in muscle cells formed by two transverse filament systems: the thick and thin filaments. The thin filament is composed primarily of actin; it is tethered at one end to the Z-disk, and it interdigitates with the thick filaments.

What is cytoskeleton in biology?

plural: cytoskeletons. cy·to·skel·e·ton. (cell biology) The lattice or internal framework of a cell composed of protein filaments and microtubules in the cytoplasm, and has a role in controlling cell shape, maintaining intracellular organization, and in cell movement.