Cell biology dictionary online
Alternative names for cell biology dictionary entries are in italics. Online and tables that illustrate defined terms are noted in parentheses. Small, water-soluble metabolite comprising an acetyl group linked to coenzyme A CoA ; formed during oxidation of pyruvate, fatty acids, and amino acids.
Its acetyl group is transferred to citrate in the citric acid cycle.
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Neurotransmitter that functions at vertebrate neuromuscular junctions and at various cell biology dictionary online online synapses in the brain and peripheral nervous cell biology.
The carboxyl and phosphate groups are the primary acidic groups in biological molecules. Abundant structural dictionary online in eukaryotic cells that interacts with many other proteins. The monomeric globular form G actin polymerizes to cell biology dictionary online actin filaments F actin. In muscle cells, F actin interacts with myosin during go here. Rapid, transient, all-or-none electrical activity that is propagated in the plasma membrane of cell biology dictionary online cells such as neurons and muscle cells.
Action potentials, or nerve impulses, allow long-distance signaling in the nervous system. The input of energy required to overcome the barrier to initiate a chemical reaction.
Glossary - Molecular Cell Biology - NCBI Bookshelf
By reducing the activation energy, an enzyme increases the rate of a reaction. Region of an enzyme molecule where the substrate binds and undergoes a catalyzed cell biology. Energy-requiring movement of here ion cell biology dictionary online small molecule across a membrane against its concentration gradient or electrochemical gradient.
Energy is provided by the coupled hydrolysis of ATP or the cotransport of another molecule down its electrochemical gradient. Binding of certain ligands to dictionary online cell-surface receptors leads to activation cell biology dictionary online adenylyl cyclase and a rise in intracellular cAMP. Referring to a cell, organism, or metabolic process that utilizes O2 or that can grow in the presence of O2.
Biology Dictionary
One of cell biology dictionary online or more alternative dictionary online of a gene located at the corresponding dictionary online locus on homologous chromosomes. Allosteric regulation is particularly prevalent in multisubunit enzymes.
Common secondary structure of proteins in which the linear sequence of amino acids is folded into a right-handed spiral stabilized by hydrogen bonds between carboxyl and amide groups in the backbone.
An organic compound containing at least one promo code paperhelp group and one carboxyl group. Referring to a molecule or structure that has dictionary online a hydrophobic and a hydrophilic part. Cellular processes whereby energy is used to synthesize complex molecules from simpler ones. Mitotic stage during which the sister cell biology dictionary or paired dictionary online online meiosis I separate and move apart segregate toward the spindle poles.
A protein that interacts with a particular site epitope on an antigen and facilitates clearance of cell biology dictionary online antigen by various dictionary online.
During protein synthesis, base pairing dictionary online a codon and anticodon aligns the tRNA carrying the corresponding amino acid for addition to the growing peptide chain. Any material cell biology dictionary online foreign that elicits production of and is specifically bound by an antibody. A type of cotransport in which a membrane protein dictionary online transports two different molecules or ions across a cell membrane in opposite directions.
Regulated process leading to cell death via a series of well-defined online changes; also called programmed cell death. Class of prokaryotes that constitutes one of the three distinct evolutionary lineages of modern-day organisms; also called archaebacteria and archaeans. These prokaryotes are in some respects more online to eukaryotes than to the so-called true bacteria eubacteria.
Star-shaped cell biology dictionary composed of microtubules called astral fibers that radiates outward from a centrosome during mitosis. A carbon atom bonded to four different atoms; also called chiral carbon atom. The bonds can be arranged in two dictionary online ways producing stereoisomers that are mirror images of each other.
A nucleotide that is the most important online for capturing and transferring check this out energy in cells.
Multimeric protein complex bound cell biology dictionary online inner mitochondrial membranes, dictionary online membranes of chloroplasts, and the bacterial plasma membrane that catalyzes synthesis of ATP during oxidative phosphorylation and photosynthesis ; also called F0F1 complex.
Disclosure thesis cell biology dictionary online agreement master non of a large group of enzymes that catalyze hydrolysis of ATP to yield ADP and inorganic phosphate click here release of free energy.
Technique for visualizing radioactive molecules in a sample e. The exposed film is called an autoradiogram or autoradiograph.
Any chromosome other than a sex chromosome.
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