254 results found

Search Results for: molecular structure

Atom

In the enchanting tapestry of life, the smallest of heroes and a celestial protagonist emerges—'the atom'. With grace and... Read More

Definition

Unified atomic mass unit

Unified Atomic Mass Unit Definition The Unified Atomic Mass Unit (u) (or simply atomic mass unit) refers to the 1/12... Read More

Definition

Branches of biology

What is a Branch of Biology? A branch of biology is a specialized field or a sub-discipline in a much broader field of... Read More

Definition

Molecular structure

molecular structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number... Read More

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Structure

Definition noun, plural: structures (1) (biology) An arrangement or organization of parts to form an organ, system, or... Read More

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Polypeptide

Polypeptide Definition Biology What are polypeptides? A polypeptide is defined as a polymer of amino acids joined together... Read More

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Saccharide

Saccharide Definition What is a saccharide molecule? A saccharide is the unit structure of carbohydrates. In biochemistry,... Read More

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Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

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Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

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Cell membrane

Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More

Definition

Denaturation

Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More

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Nucleosome

Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More

Definition

Flagellum

Flagellum Definition Flagellum is a slender, hair-like structure composed of a complex arrangement of multiple proteins,... Read More

Definition

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Definition

Vector

Vector Definition When one thinks of vectors one may think of many different things. This is because a vector can be... Read More

Definition

Vestigial

Vestigial (organ) is a degenerate organ or structure or physical attribute that has little to no function in the species but... Read More

Definition

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Definition

Molecular neuroscience

Definition noun A branch of neuroscience that studies the nervous system in terms of its molecular biology, molecular... Read More

Definition

Fluid mosaic model

Fluid Mosaic Model Definition What is the fluid mosaic model? The fluid mosaic model is a three-dimensional representation... Read More

Definition

Chromosome

Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More

Definition

Zoology

Zoology Definition Zoology is an ever-evolving branch of Biology dealing with the members of the Kingdom Animalia. It... Read More

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Phylogeny

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

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Molecule

Molecule Definition Two or more atoms (same or different) that are held together by attractive forces or chemical bonds... Read More

Definition

Vacuole

A vacuole is a single membrane-bound organelle with no definite shape or size found in both prokaryotic and eukaryotic... Read More

Definition

Protein

Protein Definition Proteins are biomolecules comprised of amino acid residues joined together by peptide bonds.... Read More

Definition

Cell wall

The cell is the structural, functional, and biological unit of all organisms. It is a membrane-bound structure containing... Read More

Definition

Agar

What Is Agar? Agar, also called agar agar, is a natural gelling agent derived from seaweed (specifically algae belonging to... Read More

Definition

Capsid

Capsid Definition A capsid is a three-dimensional proteinaceous capsular shell around a virus that encloses the viral... Read More

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Cilium

Cilia Definition Cilia are hair-like structures found on the surface of many types of cells, including some mammalian... Read More

Definition

Embryo

An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage... Read More

Definition

Smooth endoplasmic reticulum

Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... Read More

Definition

Replication

Replication, in the general sense, is to create a copy or a duplicate. Thus, in biology, replication is commonly associated... Read More

Definition

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

Definition

Archaea

Archaea is a group of prokaryotic life forms distinct from bacteria forming a separate domain of life. They possess... Read More

Definition

Transfer ribonucleic acid

Definition noun plural: transfer ribonucleic acids trans•fer ri•bo•nu•cle•ic ac•id, ˈtɹænsfɝ... Read More

Definition

Oxidation

Oxidation Definition How do we define oxidation? There are several definitions of the oxidation process. Oxidation can be... Read More

Definition

Anaphase

In order to keep the process of biological existence ever-going, the phenomenon of cell multiplication is very important.... Read More

Definition

Albumin

Albumin Definition What is albumin? Is albumin a protein? In biology, albumin is a protein that is responsible for the... Read More

Definition

Ribosome

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

Definition

Morphology

Morphology Definition Morphology means the study of the shape and structure of living things from a biological perspective.... Read More