Search Results for: mitochondria
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
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
Mitochondrial DNA
Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More
Mitochondrial DNA not just from moms but also from dads?
If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More
Mitochondrial DNA – hallmark of psychological stress
We often hear that stress can be unsettling as it could make us ill when it becomes chronic and overwhelming. However, is... Read More
Endosymbiotic theory
A eukaryotic cell is distinct from a prokaryotic cell by the presence of membrane-bound cellular structures called... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
The Evolution of Cell Organelles
The previous tutorial page noted the emergence of protists, organisms that possessed a distinct cell nucleus and contained... Read More
Cellular respiration
Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... 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
Eukaryotic cells
Eukaryotic Cells Definition What is a eukaryotic cell? Eukaryotic cells refer to the cells of (or derived from) eukaryotes,... Read More
Glycolysis
What is Glycolysis and Why is it Important? Glycolysis is a metabolic pathway by which the 6-carbon molecule of glucose is... Read More
Chemiosmosis
Chemiosmosis Definition What is chemiosmosis? In biology, chemiosmosis refers to the process of moving ions (e.g. protons)... 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
Plant Cells vs. Animal Cells
Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More
Plant cell
Plant Cell Definition A plant cell refers to any cell of a plant. It is the structural and functional unit of plants. Plant... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Cell Structure
The interior of human cells is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped... Read More
Krebs cycle
Krebs cycle, also known as the citric acid cycle or tricarboxylic acid (TCA) cycle, is a fundamental metabolic pathway that... 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
Maternal inheritance
Definition noun A form of inheritance wherein the traits of the offspring are maternal in origin due to the expression... Read More
Anaerobic respiration
Anaerobic Respiration Definition What is anaerobic respiration? Anaerobic (cellular) respiration is a respiratory process... Read More
Muscular system
Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... 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
Involuntary muscle
A muscle act typically either under the control of the will or without conscious control. Muscles that can be controlled at... Read More
Fermentation
Fermentation Definition What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds... Read More
Plant Metabolism
Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More