18 results found

Search Results for: phospholipid bilayer

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Phospholipid bilayer

Definition noun The two layers of phospholipids arranged in such a way that their hydrophobic tails are projecting inwards... Read More

Phospholipid

Definition noun plural: phospholipids phos·pho·lip·id, ˌfɒsfəˈlɪpɪd (1) A lipid with one or more phosphate groups... Read More

Cell membrane

Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More

Amphipathic

Amphipathic Definition Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and... Read More

Selectively-permeable membrane

Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More

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

Hydrophobic

Hydrophobic Definition The fear of mixing or reacting with water under a given set of reaction parameters is often referred... Read More

Fluid mosaic model

Definition A model conceived by S.J. Singer and Garth Nicolson in 1972 to describe the structural features of biological... Read More

Lipid

Definition noun plural: lipids lip·id, ˈlɪp ɪd, ˈlaɪ pɪd A fatty or waxy organic compound that is readily soluble... Read More

A Balanced Diet – Carbohydrates and Fat

Alongside the numerous vitamins that are required as part of a healthy diet, we must also eat food containing a variety of... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Oligosaccharide

Carbohydrates are organic compounds consisting of carbon, hydrogen, and oxygen, usually in the ratio of 1:2:1. They are one... Read More

Glycolipid

Definition noun, plural: glycolipids A carbohydrate, usually an oligosaccharide, that is covalently linked to a lipid... Read More

Mitochondrion

Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More

Cell Structure

The interior of the cell is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped structure... Read More

Selective permeability

Definition noun A feature and a function of the plasma membrane that is essential to maintain homeostasis by regulating the... Read More

Fat

Definition noun plural: fats fats, fæts A term largely applied to storage lipids in animal tissues that are usually solid... Read More