114 results found

Search Results for: cell center

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Cell

A cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular organisms,... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Animal cell

An animal cell is the fundamental functional unit of life of animals. It is also the basic unit of reproduction. Animal... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Flaccid

Flaccid Definition Biology – What is Flaccid? In botany, the term flaccid refers to a cell that lacks turgidity, i.e. it... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More

Pinocytosis

Pinocytosis Definition What is pinocytosis?  Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More

Organelle

An organelle refers to any of the various cellular structures that perform a distinctive function inside a cell. The cell is... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Cytoskeleton

Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Eukaryotic cells

Eukaryotic Cells Definition What is a eukaryotic cell? The term “cell” is a common word in biology, anatomy, and... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Zygote

Zygote Definition What is a zygote? A zygote is a fertilized eukaryotic cell. In biology, medical science, and other allied... Read More

Cell and Molecular Biology: Concepts and Experiments

    AUTHORS:  Gerald Karp PRODUCT DETAILS:... Read More

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Diatom

A diatom is a unicellular eukaryotic alga characterized by the siliceous covering and symmetry. Diatoms are mostly aquatic,... Read More

Cell center

Definition noun The region in the cytoplasm containing the centrioles, and usually adjacent to the nucleus of the... Read More

Concentration gradient

Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

GERL

Definition noun Acronym for Golgi - Endoplasmic Reticulum - Lysosome complex, a system found in the cell that involves... Read More

Cancer

Cancer definition In biology, cancer is defined as the malignant growth due to uncontrolled cell division. It is now used... Read More

Spermiogenesis

Spermiogenesis definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More

Amphipathic

Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and nonpolar (not... Read More

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More

Golgi apparatus

Definition noun Gol·gi ap·pa·rat·us, ˈgɔl dʒi ˌæpəˈreɪtəs (cell biology) An organelle that is comprised of... Read More

Endosome

Endosome Definition noun plural: endosomes en·do·some, ˈəndoˌsoʊm (cell biology) A membrane-bound cytoplasmic... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More