What Is a Liposome? A liposome is an artificially prepared spherical lipid vesicle having an aqueous compartment enclosed by one or more phospholipid bilayers. It is a closed membrane structure. When phospholipids are dispersed in an aqueous medium, they arrange themselves in such a way that their hydrophilic heads remain towards water while the hydrophobic
What are Daughter Cells? Definition of Daughter Cells Daughter cells are the cells resulting from the division of a single parent cell, either through the process of mitosis, where they inherit identical genetic material, or meiosis, where they receive half the genetic content. Characteristics of Daughter Cells Daughter cells are the end products of cellular
What is Prokaryotic Ribosomes? Definition of Prokaryotic Ribosomes Prokaryotic ribosomes are molecular complexes consisting of ribonucleic acid (RNA) and proteins that facilitate protein synthesis within prokaryotic cells, such as bacteria and archaea. Ribosome Subunits Ribosomes, intricate molecular complexes responsible for protein synthesis, consist of two essential subunits in prokaryotic cells, collectively referred to as the
What is Diploid Cell? Definition of Diploid Cell A diploid cell is a cell that contains two complete sets of chromosomes, one inherited from each parent. Features of diploid cells Diploid cells are integral to the genetic architecture of many organisms. Here are the salient features of these cells: Diploid cells in Human body In
Learn what embryology is, how embryos develop through fertilization, cleavage, gastrulation and organogenesis, and explore its major branches, mechanisms and biological importance.
Learn what embryonic stem cells are, where they come from, how pluripotency and self-renewal work, their research uses, limitations, and ethical issues.
Learn what endosymbiosis is, how endosymbiotic theory explains the origins of mitochondria and plastids, the evidence supporting it, and important modern examples.
Learn what a eukaryotic cell is, how its organelles work together, how plant, animal, fungal and unicellular cells vary, and how eukaryotes differ from prokaryotes.
Learn what a food vacuole is, how it forms and digests food, its functions in protists, examples in Amoeba and Paramecium, and how it differs from a contractile vacuole.