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As a general rule, this vowel almost always acts as a joint-stem to connect two consonantal roots (e.g. arthr-+ -o-+ -logy = arthrology), but generally, the -o-is dropped when connecting to a vowel-stem (e.g. arthr-+ -itis = arthritis, instead of arthr-o-itis). Second, medical roots generally go together according to language, i.e., Greek ...
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The RAG1/RAG2 enzyme complex recognizes the heptamer sequences flanking the V and J coding regions and nicks their 5' end, releasing the intervening DNA between the V and J coding regions. In the heavy-chain coding region of DNA, the RAG1/RAG2 enzyme complex recognizes the RSSs flanking the D and J segments and brings them together, forming a ...
Foster's rule, the island rule, or the island effect states that members of a species get smaller or bigger depending on the resources available in the environment. [ 28 ] [ 29 ] [ 30 ] The rule was first stated by J. Bristol Foster in 1964 in the journal Nature , in an article titled "The evolution of mammals on islands".
3' untranslated region (3'-UTR). Also three-prime untranslated region, 3' non-translated region (3'-NTR), and trailer sequence.. 3'-end. Also three-prime end.. One of two ends of a single linear strand of DNA or RNA, specifically the end at which the chain of nucleotides terminates at the third carbon atom in the furanose ring of deoxyribose or ribose (i.e. the terminus at which the 3' carbon ...
[1] [4] [5] This mechanism can be thought of as a letter-sound rule system that allows the reader to actively build a phonological representation and read the word aloud. [2] [3] The nonlexical route allows the correct reading of nonwords as well as regular words that follow spelling-sound rules, but not exception words. The dual-route ...
The application of the principles of biology to study physiological, genetic, and developmental mechanisms of behavior in humans and other animals. psychobiology; biological psychology; behavioral neuroscience; biospeleology: The branch of biology dedicated to the study of organisms that live in caves and are collectively referred to as ...
Molecular genetics is a branch of biology that addresses how differences in the structures or expression of DNA molecules manifests as variation among organisms. Molecular genetics often applies an "investigative approach" to determine the structure and/or function of genes in an organism's genome using genetic screens.