Search Results for: peptide
Polypeptide
Polypeptide Definition Biology What are polypeptides? A polypeptide is defined as a polymer of amino acids joined together... Read More
Peptide bond
Definition noun, plural: peptide bonds (1) The covalent bond joining amino acids, particularly at the carboxyl group of... Read More
Signal peptide
Definition noun An extra-peptide extension found at the amino terminus of a nascent protein, and functions by prompting the... Read More
Pentapeptide
Definition noun, plural: pentapeptides A peptide containing five amino acids Supplement Peptides are biomolecules that are... Read More
Nonapeptide
Definition noun, plural: nonapeptides An oligopeptide comprised of nine amino acid residues Supplement Peptides are monomers... Read More
Oligopeptide
Definition noun, plural: oligopeptides A peptide comprised of relatively small number of amino acid residues (i.e. about two... Read More
Isopeptide bond
Definition noun, plural: isopeptide bonds A peptide bond formed between a carboxyl group of one amino acid and an amino... 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
Mucopeptide
Definition noun A crystal lattice structure in the bacterial cell wall that is made up of linear chains of alternating amino... Read More
Peptide hormone
'''peptide hormone peptide hormones are a class of peptides that are secreted into the blood stream and have endocrine... 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
Transit peptide
Definition noun An extra peptide at the amino terminus of a nascent protein that prompts the transport mechanism of the cell... 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
Hormone Production
Reviewed by: Mary Anne Clark, Ph.D. Hormones are chemical messengers produced by glands in the endocrine system.... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Immune response
Immune Response Definition An immune response is defined as the reaction of the body in response to the presence of a... 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
Nucleic acid
Nucleic Acid Definition A nucleic acid refers to any of the group of complex compounds consisting of chains of monomers of... Read More
Tropocollagen
Definition noun, plural: tropocollagens A single collagen molecule; a molecular structure that makes up a collagen fiber,... Read More
Principles of Hormonal Control Systems
Hormones are chemical messengers that enter the blood directly upon their secretion from endocrine glands. A single gland or... Read More
Signal sequence
Definition noun A sequence of amino acid residues bound at the amino terminus of a nascent protein during protein... Read More
Vasopressin
Definition noun, plural: vasopressins An antidiuretic peptide hormone produced by the magnocellular and the parvocellular... Read More
Atrial natriuretic hormone
Definition noun A peptide hormone released by the atrial heart muscle cells in response to atrial distention, hypertension,... Read More
Edman degradation
Definition noun A method of sequencing amino acids of a peptide through a reagent that reacts with the peptide at the... Read More
Regulation of Organic Metabolism, Growth and Energy Balance
Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More
Cross-linking
Cross-linking Definition Cross-linking, in general, means the forming of cross-links between the joining structures. In... Read More
Dansyl chloride
Definition noun (chemistry) A strongly fluorescent compound that will react with the terminal amino group of a protein;... Read More
Rough endoplasmic reticulum
Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More
Zymogen granules
Definition noun The granules in the cytoplasm of secretory cells containing the zymogen Supplement Zymogen granules are... Read More
Homeostasis
Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More
Protein synthesis
Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More
Fibrinogen
Definition noun, plural: fibrinogens A soluble rod-shaped plasma glycoprotein (340 kd, 46 nm long) consisting of six peptide... Read More
Prolactin-releasing hormone
Definition noun, plural: prolactin-releasing hormones A polypeptide hormone originating in the hypothalamus, and whose... Read More
Peptidoglycan
Definition noun, plural: peptidoglycans (1) A glycan (a polysaccharide) attached to short cross-linked oligopeptides in the... Read More