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a.) What is homeostasis? b.) Name three ways the body achieves this and why it is important

a.) Homeostasis is the means by which the body maintains a constant internal environment. b.) - Temperature needs to be maintained at 37.5 degrees C in order for the body's enzymes to function correctly. Tem...
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Answered by Alice F. Biology tutor
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Describe the events that occur in a nerve cell during an action potential.

Action potentials are the way in which information is conveyed along the length of a nerve cell and between nerve cells. At rest, the nerve cells membrane potential is around -70mV. During an action potentia...
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Name three cell structures that are present in a plant cell but absent from an animal cell.

Plant cells have a cell wall for additional strength and protection. Plant cells also have a large vacuole filled with cell sap to increase the cellular turgor. Finally, plant cells have chloroplasts filled ...
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Answered by Gabriella L. Biology tutor
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What gases will be taken in and given out by a green plant (a) in darkness, (b) in bright sunlight?

(a) In low light intensities a green plant will be taking in oxygen and giving out carbon dioxide. (b) In bright sunlight a green plant will be taking in carbon dioxide and giving out oxygen.
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Answered by Sonali P. Biology tutor
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What are enzymes? What is the importance of enzymes for living beings?

Enzymes are proteins that are catalysts of chemical reactions. Chemistry shows us that catalysts are non-consumable substances that reduce the activation energy necessary for a chemical reaction to occur. En...
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Answered by Sonali P. Biology tutor
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