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Ciências Naturais (463)
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Video Biología
"The Calvin cycle is the second step of photosynthesis which converts ATP into glucose for storage. It is also called the "light independent reaction" or the "dark reaction" because unlike the light d ...
"Osmosis is the diffusion of water molecules across a semi-permeable membrane from an area of high concentration to an area of low concentration. In cells, osmosis occurs across the cellular membrane ...
Video Biología
"Organic compounds are compounds composed of carbon, hydrogen and often oxygen or nitrogen. Organic compounds are named so because they are associated with living organisms. Several important types o ...
Video Biología
"Translation is the process in biology in which a ribosome uses the information stored in messenger RNA (mRNA) link together the sequence of amino acids which form proteins. Translation is preceded by ...
"Transcription is the process in biology in which a cell forms messenger RNA (mRNA) to guide protein synthesis, also known as translation. The mRNA copies a single gene from the DNA in the form of a s ...
Video Biología
"Biology is a natural science that studies the growth and function of life and living things. It studies everything from the basic building blocks of life to the interactions between communities and p ...
"In biology, competition is an interaction between multiple organisms within a community that all depend on the same limited resource. One species generally adapts to better access that resource ...
"In biology, a community is a group of potentially interacting species living in the same place. Members of a community may have a variety of relationships including predator/prey, competitors, or ...
"A cell nucleus is a membrane bound organelle which contains all the genetic information for a eukaryotic cell. This genetic information, or DNA, is stored in different forms depending upon the cell's ...
Video Biología
"Binary fission is a form of cell division used in the asexual reproduction of prokaryotes. It is much simpler than mitosis, consisting of DNA replication and cytokinesis." Fuente: BrightStormBinary F ...
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