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Although the term "insect growth disruptor" more accurately describes the actions of IGRs, it did not become widely used. [1] IGRs encompass chemical classes with three modes of action ( mechanisms of action ): juvenile hormone analogs, chitin synthesis inhibitors, and ecdysone receptor agonists.
A common laboratory-scale mechanical method for cell disruption uses glass, ceramic, or steel beads, 0.1–2 mm (0.004–0.08 in) in diameter, mixed with a sample suspended in an aqueous solution.
Although the basic principles are fairly similar, the treatment of synonyms in botanical nomenclature differs in detail and terminology from zoological nomenclature, where the correct name is included among synonyms, although as first among equals it is the "senior synonym": Synonyms in botany are equivalent to "junior synonyms" in zoology.
A comparison of the structures of the natural estrogen hormone estradiol (left) and one of the nonyl-phenols (right), a xenoestrogen endocrine disruptor. Endocrine disruptors, sometimes also referred to as hormonally active agents, [1] endocrine disrupting chemicals, [2] or endocrine disrupting compounds [3] are chemicals that can interfere with endocrine (or hormonal) systems. [4]
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 ...
Dr. Dinesh Prasad Saklani is the director of NCERT since 2022. [2] In 2023, NCERT constituted a 19-member committee, including author and Infosys Foundation chair Sudha Murthy, singer Shankar Mahadevan, and Manjul Bhargava to finalize the curriculum, textbooks and learning material for classes 3 to 12. [4]
The National Standard Examination in Biology or NSEB is an examination for biology for higher secondary school students in India, usually conducted in the end of November. The examination is organized by the Association of Teachers in Biological Sciences [ 1 ] [ 2 ] in association with Indian Association of Physics Teachers [ 3 ] and Homi ...
The R-Smads consist of Smad1, Smad2, Smad3, Smad5 and Smad8/9, [3] and are involved in direct signaling from the TGF-B receptor. [4]Smad4 is the only known human Co-Smad, and has the role of partnering with R-Smads to recruit co-regulators to the complex.