Search Results for: prokaryotic
Prokaryotic Ancestor of Mitochondria: on the hunt
The alphaproteobacteria have been widely cited as the closest relative-- and possibly the prokaryotic ancestor -- of the... Read More
Prokaryotic cell
Definition noun, plural: prokaryotic cells (1) The cell of a prokaryote, i.e. an organism whose cell generally lacks a true... Read More
Cell division
Cell division is a biological process by which a parent cell duplicates its cell contents and divides to give rise to two or... Read More
Prokaryote
Prokaryote refers to any of the group of living organisms primarily characterized by the lack of a true nucleus and other... Read More
Eubacteria
Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More
Eukaryotic cells
Eukaryotic Cells Definition What is a eukaryotic cell? Eukaryotic cells refer to the cells of (or derived from) eukaryotes,... Read More
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More
Endosymbiotic theory
A eukaryotic cell is distinct from a prokaryotic cell by the presence of membrane-bound cellular structures called... Read More
Binary fission
Binary Fission Definition What is binary fission? In biology, binary fission is a type of asexual reproduction where a... Read More
Unicellular
Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... 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
Deoxyribonucleic acid
Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More
Cyanobacteria
Cyanobacteria Definition Cyanobacteria is a group of photosynthetic bacteria widely distributed in various aquatic habitats... Read More
Protein synthesis
Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More
Ribosomal ribonucleic acid
Definition noun plural: ribosomal ribonucleic acids ri•bo•so•mal ri•bo•nu•cle•ic ac•id, ˈraɪ... 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
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Photosynthesis
Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More
Cellular respiration
Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... Read More
Transcription (biology)
In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... Read More
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
Reproduction
Reproduction Definition Reproduction is a biological phenomenon of producing offspring/s. i.e. more of its kind. Depending... 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