A selectively permeable membrane only allows certain material to pass through it. They do so through active or passive transport.
osmosis - Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration
If you break down the two words, selective means to only pick certain things, and permeable means to let pass through. When you talk about something being "selectively permeable", it usually refers to a cell membrane because it only lets in certain nutrients and lets out proteins and what not. I hope this answers your question.
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Define and explain sugar fermentation.
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Osmosis is the movement of water across a selectively permeable membrane in a response to gradients of concentration, pressure, or temperature. I got this from my Biology textbook.
osmosis - Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration
If you break down the two words, selective means to only pick certain things, and permeable means to let pass through. When you talk about something being "selectively permeable", it usually refers to a cell membrane because it only lets in certain nutrients and lets out proteins and what not. I hope this answers your question.
definir - to define defino - I define defines - you (singular, informal) define define - you (singular, formal) define, he/she defines definimos - we define defineis - you (plural, informal) define definen - you (plural, formal)/ they define.
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Define processes on either end of communication. Define the types of messages. Define the syntax of messages. Define the meaning of any informational fields. Define how the messages are sent and the expected response. Define interaction with the next lower layer.
Define intonation
the meaning of a word
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It explains the meaning of something. To define: To describe or outline the functional characteristics of a word or object.
Define the word answer?