53 results found

Search Results for: mitochondrial dna

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

Mitochondrion

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

Cellular respiration

Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Chloroplast DNA

Definition noun plural: chloroplast DNAs DNA in the chloroplast that carries the code for proteins and RNAs essential to... Read More

Matrix

Bodies of living organisms are organized structures. These are organized in a hierarchy of organ systems, organs, tissues,... Read More

Eukaryote

Eukaryote refers to any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound... Read More

Inherited traits

What are Inherited Traits? The characteristics or traits that are passed from parents to offspring are known as inherited... Read More

Mitochondrial inheritance

Definition noun An inheritance pattern that results from the expression of mitochondrial DNA. Supplement This form of... 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

Genome

Genome Definition What is a genome? As defined in biology, a genome is a complete set of deoxyribonucleic acid (DNA) within... Read More

Heredity

Heredity Definition In biology, heredity refers to the passing of genetic factors from parents to offspring or from one... 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

Extracellular inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... Read More

Extranuclear inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... 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

Codon

What does codon mean? A codon, in biology, is the basic genetic unit of life that acts as the template for the amino acid... Read More

Phosphodiester bond

Phosphodiester Bond Definition Phosphodiester bonds are the backbone of the strands of nucleic acid present in the life... Read More

Conjugation

Conjugation generally means the joining or coming together (union), such as in certain unicellular organisms (some bacteria,... Read More

Carbohydrate

Carbohydrate Definition A biomolecule refers to any molecule that is produced by living organisms. As such, most of them... 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

Pyrimidine

Definition noun plural: pyrimidines py·rim·i·dine, py·rim·i·dine A heterocyclic aromatic compound that presents as... Read More

Sugar

Sugar Definition The term sugar is the generic term for any disaccharides and monosaccharides. Sugars are an essential... Read More

Degenerative disease

Degenerative Disease Definition A degenerative disease is defined as a disease characterized by the worsening condition due... Read More

Monogenic disease

Monogenic Disease Definition A monogenic disease is a diseased condition determined by the interaction of a single gene.... Read More

Endoplasmic reticulum

Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Nucleotide

Nucleotide Definition A nucleotide is regarded as the basic building block of nucleic acid (e.g. DNA and RNA). A nucleic... Read More

Thymidine triphosphate

Definition noun plural: thymidine triphosphates (biochemistry) A nucleotide composed of thymine, deoxyribose and three... Read More

SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)

Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004)   Introduction: It has been... 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

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Phosphorylation

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

Frameshift mutation

Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... 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

Endosymbiotic theory

A eukaryotic cell is distinct from a prokaryotic cell by the presence of membrane-bound cellular structures called... Read More

Conjugate

Conjugate Definition Conjugate in a broader sense refers to related pairs of substances or entities that are interconnected... Read More