Search Results for: polypeptide
Polypeptide
Polypeptide Definition Biology What are polypeptides? A polypeptide is defined as a polymer of amino acids joined together... Read More
Chemical Composition of the Body
In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More
Translation
Translation, in general, is the conversion of something into another form, such as a word from one language to another. But... Read More
Frameshift mutation
Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... 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
Protein synthesis
Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More
Collagen fiber
Definition of collagen fiber Collagen fiber is the fiber in the extracellular matrix of connective tissues characterized... Read More
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
Cross-linking
Cross-linking Definition Cross-linking, in general, means the forming of cross-links between the joining structures. In... Read More
Dehydration reaction
What is dehydration synthesis? A dehydration reaction is a form of biochemical reaction wherein a water molecule is lost or... Read More
Lipotropin
Definition noun, plural: lipotropins A polypeptide hormone of the anterior pituitary gland, presumably acts by promoting fat... Read More
Growth hormone
Definition noun, plural: growth hormones A polypeptide hormone that in humans and other animals essentially promotes... Read More
Degenerate
Degenerate means to become worse or less of its kind or former state. In biology, it means an entity performs the same... Read More
Rough endoplasmic reticulum
Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More
Tropocollagen
Definition noun, plural: tropocollagens A single collagen molecule; a molecular structure that makes up a collagen fiber,... Read More
Micromolecule
Micromolecules Definition How to define micromolecule? Micromolecules are relatively small molecules that are combined... Read More
Biuret test
In this article we will answer the following three questions: What is a Biuret Test? What does biuret test for? What is... Read More
Oligopeptide
Definition noun, plural: oligopeptides A peptide comprised of relatively small number of amino acid residues (i.e. about two... Read More
Hemoglobinopathy
Definition noun, plural: hemoglobinopathies A genetic disorder resulting in an abnormal globin structure in the hemoglobin... Read More
Cornification
Definition noun, plural: cornifications The process of forming a keratinized, horny layer of epidermis cornified,... Read More
Erythrocyte
Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More
Transfer ribonucleic acid
Definition noun plural: transfer ribonucleic acids trans•fer ri•bo•nu•cle•ic ac•id, ˈtɹænsfɝ... Read More
Follicle-stimulating hormone
Follicle Stimulating Hormone Definition In the pituitary gland of the brain, gonadotropic hormones are released.... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Glycoprotein
Definition noun, plural: glycoproteins Any of the conjugated proteins, characterized by having one or more... Read More
Somatotroph
Definition noun, plural: somatotrophs The hormone-secreting cell in the anterior pituitary that particularly releases... Read More
Primary structure
Definition noun (biochemistry) A structure of a biological molecule in which there is a precise sequence or order of... Read More
Transmembrane proteins
transmembrane protein (Science: cell biology) A protein subunit in which the polypeptide chain is exposed on both sides of... Read More
Mucopeptide
Definition noun A crystal lattice structure in the bacterial cell wall that is made up of linear chains of alternating amino... Read More
A Protein Being Born – a live cell imaging of RNA translation
You probably already heard the concepts of translation in the central dogma of molecular biology. The dogma is an... Read More
Heavy chain
Heavy chain (Science: protein) in general, the larger polypeptide in a multimeric protein. Thus the immunoglobulin heavy... Read More
Protein Variety
The sequence of amino acids determines which type of protein it is. It is synthesized from a DNA strand, each DNA strand... Read More
Islets of Langerhans
Definition Cell clusters in the pancreas that form the endocrine part of that organ; secrete insulin and other hormones.... Read More
Role of Golgi Apparatus & Endoplasmic Reticulum in Protein Synthesis
Continued from the previous tutorial that introduces protein synthesis... mRNA and tRNA mRNA leaves the nucleus and enters... Read More
Immunoglobulin A
Definition noun An immunoglobulin (antibody) that is characterized by its α-heavy chain, and its prevalence in mucous... Read More