Class

Classification of the Mollusca
The Class Polyplacophora
Chitons are in the class Polyplacophora. They have a shell that consists of eight overlapping plates. A ventral muscular foot is used for creeping along or clinging to rocks.
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class switching
in an antibody producing cell, a switch in the class of antibody being synthesized
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Classical genetics works a little differently than any other field of science.
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In classification of plants and animals a division of a phylum and divided into orders.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Classical genetics consists of the techniques and methodologies of genetics that predate the advent of molecular biology. A key discovery of classical genetics in eukaryotes, was genetic linkage.
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Classes - Introduction to Biology Glossary
The following is a list of Biology terminology
Students enrolled in the class should be already familiar with most of the terms in this glossary.
Use this as a constant reference point.
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Classifications based strictly on cladistics are too complex for convenience. In principle, a separate category has to be created for all the branches derived from each node of the tree.
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Different proteolytic systems are used to generate the peptides that are displayed as T cell epitopes on class I compared with class II MHC molecules.
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CLASSROOM JOB OPPORTUNITIES-Earn Participation or Enrichment Points!
Concierge* (Welcomer). This person welcomes new students and guest(s) to the classroom.
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Classification is the most reliable and widely used basis for inferring macromolecular function from primary sequence.
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Classical RFLP analysis by Southern blotting and hybridization required the testing laboratory to have on hand DNA molecules from which to make probes. Delays and difficulties in the dissemination of these DNAs among laboratories occurred.
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Class: A category of the classification scheme of living organisms ranking below a phylum and above an order (e.g., Insecta).
Classical biological control: The importation of foreign natural enemies to control previously introduced, or native, pests.
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Classifications
Classification by type of explosion
Explosives are distinguished between high explosives, which detonate, and low explosives, which deflagrate: ...
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Class of proteins responsible for transposition. One function is to prepare insertion by cutting at the integration site.
Gene ...
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Classification traditionally has been about putting things together that look alike.
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class: a grouping of similar orders.
cocci: spherical bacteria (singular, coccus).
cochlea: a snail-like series of coiled tubes within the skull that assist hearing.
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Classification of life
The dominant classification system is called Linnaean taxonomy, which includes ranks and binomial nomenclature.
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class
A taxonomic grouping of related, similar orders; category above order and below phylum.
classical conditioning ...
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class
I and class II genes. The next step in the evolutionary ladder is the
bony fish
.
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class Taxonomic rank consisting of related orders.
classical (Pavlovian) conditioning A type of learning whereby an unconditioned stimulus (US) that elicits a specific response (unconditioned response [UCR]) is paired with a neutral stimulus (becomes ...
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A class of retroviruses that cause a cell to become cancerous.
explained:
Listen to a detailed explanation.
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A class of small RNAs used by the cell to carry amino acids to the enzyme complex (the ribosome) which builds proteins, using an mRNA as a guide.
Other Resources
PubMed Google ...
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A class of cytoplasmic filaments of animal cells so named originally because their diameter (nominally 10nm) in muscle cells was intermediate between thick (myosin) and thin (actin) filaments.
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Year-class effect. The common domination of a species population by individuals recruited in one reproductive season ...
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class of organisms that are small air-breathing arthropods. This class contains organisms that in the adult normally have six legs, three distinct regions to the body (head, thorax, and abdomen), one pair of antennae, and one or two pairs of wings.
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Mimics: a classic textbook example trashed
How do squirrels "know" 3.8 is the magic number?
For female isopods, size doesn't matter ...
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Biomes are classified in various ways. This page will group biomes into five major types:
Aquatic
Deserts ...
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Species
A classification of related organisms that can freely interbreed.
Speciation
The processes by which a single species splits into two or more species ...
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Species. A classification of related organisms that can freely interbreed.
Spore. A form taken by certain microbes that enables them to exist in a dormant stage. It is an asexual reproductive cell. See Asexual reproduction, Dormant.
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Plasmid: A class of circular, autonomously replicating, extrachromosomal DNA elements found in many bacteria. Contain origins of replication to ensure their maintenance. Some plasmids are capable of integrating into the host genome.
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The classification of organisms.
Telomere
The terminal part of a linear chromosome. Replication of the ends of linear DNA molecules requires specialized enzymes or structures.
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Access Excellence Classic Collection
Adenine: A nitrogenous base. Pairs with thymine in DNA molecules.
Bacteriophage: A virus whose host is a bacterium. Also called phage.
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1. One of the two classifications of living organisms that distinguish male and female.
2. activities associated with sexual intercourse ...
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protostomes - broad classification of organisms that tend to share certain embryological traits; among these the formation of the "mouth first" (hence the name) during gastrulation, before the future anus.
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A class of natural and synthetic compounds that inhibit the growth of or kill other microorganisms. (See Antibiotic resistance, Bacteriocide, Bacteriostat.) Antibiotic resistance.
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Category Any rank within the classification hierarchy, e.g., family, subfamily, subspecies.
Change of rank When a name is moved from one level of the classification system to another, e.g.
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Sometimes used to refer to only the assemblage of populations of a particular class of organisms, such as the bird community, the herb community, and so forth.
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thromboxanes A class of molecules derived from arachidonate and involved in platelet aggregation during blood clotting. Thromboxanes have a common feature of a 6-membered, ether-containing ring.
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Transfer RNA (tRNA): A class of RNA that carries amino acids into ribosomes and bonds with mRNA for protein production.
Translation: The process by which RNA makes proteins.
tRNA: See Transfer RNA.
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Restriction enzyme: A class of enzymes ("restriction endonucleases") generally isolated from bacteria, which are able to recognize and cut specific sequences ("restriction sites") in DNA.
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Dicotyledones the Class (in Division Spermatophyta; Subdivision Angiospermae) of plants that have two nutrient storage areas in their seeds
(di = two; cotyl = cup cavity socket) ...
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The Subkingdom of the Kingdom Animalia, in older classification systems, that includes all unicellular organisms that lack differentiated tissues and that primarily reproduce through asexual means, although conjugation does occur.
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bipinnaria larva In the class Asteroidea, the free-swimming, ciliated stage of larval development.
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The Visionlearning website contains good summaries of the material presented in this class. Do Chemistry (level 2), 4, 5, and 6.
The Biology Web (Home) General Biology 1 General Biology 2 Human Biology Environmental Science ...
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substituted dinitroanilines. A class of herbicides widely used for preplant application in cotton.
sucker. Shoot arising from the trunk or rootstock.
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of these may be critical to the epitope's specificity and the avidity of the antibody-antigen reaction. B-cell epitopes may be either linear or conformational in nature. T-cell epitopes represent the small, processed peptides which bind to MHC class ...
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