PLEASE HELP!! Some single-celled organisms, such as Paramecium, can be destroyed if osmosis is not regulated. These organisms maintain homeostasis by using to expel extra water. *
Endocytosis
Contractile Vacuoles
Exocytosis
Sodium-Potassium Pump

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sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.