51 results found

Search Results for: prokaryote

Prokaryote

Prokaryote refers to any of the group of organisms primarily characterized by the lack of true nucleus and other... Read More

Prokaryotes

(noun) Plural form of prokaryote. See prokaryote for definition and additional... Read More

Cell

A cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular organisms,... Read More

Prokaryotic

Definition adjective Of, or pertaining to, or characteristic of a prokaryote, which is basically an organism lacking a true... Read More

Eukaryote

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

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Oxidative phosphorylation

Definition noun A metabolic pathway that generates ATP from ADP through phosphorylation that derives the energy from the... Read More

Protein synthesis

Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More

Nucleoid

Definition noun plural: nucleoids nu·cle·oid, ˈnjuːklɪˌɔɪd The portion within a prokaryotic cell where the... Read More

Euchromatin

Definition noun A slightly packed or partially condensed form of chromatin that contains structural genes and is usually... Read More

Red algae

The red algae belong to the phylum Rhodophyta which literally was derived from the Greek word ῥόδον (rhodon), meaning... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More

Charophyta

Charophyta is a taxonomic group (a phylum) comprised of green algae that live predominantly in freshwater habitats. Members... Read More

Endosymbiotic theory

Endosymbiotic theory definition noun (evolutionary biology) A theory suggesting that the organelles such as mitochondria... Read More

Eukaryotic cell

Definition noun, plural: eukaryotic cells The cell of a eukaryote, i.e. an organism that possesses a membrane-bound... Read More

Living things

Living Things Definition A living things pertains to any organism or a life form that possesses or shows the... Read More

Methanotroph

Definition noun, plural: methanotrophs An organism that metabolize methane as a source of carbon and... Read More

Glycosidase

Definition noun, plural: glycosidases (biochemistry) An enzyme catalyzing the hydrolysis of a... Read More

DNA polymerase

Definition noun, plural: DNA polymerases (molecular biology) An enzyme assisting in DNA replication Supplement Polymerases... 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

DNA polymerase I

Definition noun The first known DNA polymerase, encoded by polA gene, and is involved in DNA replication in... Read More

DNA polymerase II

Definition noun A DNA polymerase involved in DNA replication in prokaryotes, is encoded by polB gene, and composed of 783... Read More

Cytosol

Definition noun plural: cytosols cy·to·sol, ˈsaɪtəˌsɒl (cell biology) The liquid component of the cytoplasm... Read More

Magnetosome

Definition noun, plural: magnetosomes A membranous cytoplasmic structure containing mineral crystals that enable certain... Read More

Bacterioplankton

Definition noun The bacterial component of plankton of aquatic ecosystems Supplement Plankton pertain to the small organisms... Read More

Messenger ribonucleic acid

Definition noun plural: messenger ribonucleic acids mes•sen•ger ri•bo•nu•cle•ic ac•id, ˈmɛ.sɪn.dʒəɹ... Read More

Translation

In biology, translation is a step in protein biosynthesis where a genetic code from a strand of mRNA is decoded to produce a... Read More

Biological Cell Introduction

It only takes one biological cell to create an organism. In fact, there are countless species of single-celled organisms,... Read More

Chlorophyta

Chlorophyta is a taxonomic group (a phylum) comprised of green algae that live in marine habitats. Some of them are found in... Read More

Secretion

Definition noun, plural: secretions (1) The physiological process of synthesizing and eventually releasing substances from... Read More

Signal recognition particle

Definition noun A protein-RNA complex important in binding to the mRNA for the recognition of signal peptide on a nascent... Read More

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Genetic material

Genetic Material Definition What is genetic material? Genetic material is the hereditary substance in the cell. It carries... Read More

Biogenesis

Definition noun plural: biogeneses (1) The process in which life forms arise from similar life forms (2) A theory that... Read More

Algae

Algae are photosynthetic organisms that possess photosynthetic pigments such as chlorophyll. However, they lack true roots,... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Chromosome

Chromosomes Definition noun, plural: chromosomes. Word origin: Greek chroma ("color") + soma ("body"). What are... Read More

Phylogeny

Phylogeny refers to the evolutionary history of the development of a species or of a taxonomic group of organisms. The... Read More

Archaea

Archaea are the unicellular prokaryotes that comprise the domain of the same name, Archaea. These microorganisms are... Read More