What is an isotonic solution?
USA 6 Final

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Science
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An isotonic solution has the same concentration of solutes as another solution, resulting in no net movement of water across a semipermeable membrane.
2.
FLASHCARD QUESTION
Front
Why is pure water not given to patients with severe dehydration?
Back
Pure water is hypotonic and would cause blood cells to swell and burst.
3.
FLASHCARD QUESTION
Front
What happens to enzyme activity when temperature increases?
Back
Enzyme function increases with temperature up to a certain point, after which it decreases due to denaturation.
4.
FLASHCARD QUESTION
Front
What is the role of chloroplasts in plant cells?
Back
Chloroplasts capture light energy and convert it into chemical energy through photosynthesis.
5.
FLASHCARD QUESTION
Front
What biomolecule is most similar to the waxy coating on plants?
Back
Phospholipids are similar to the waxy coating as they also create barriers that are not water-permeable.
6.
FLASHCARD QUESTION
Front
What is the primary function of lipids in the cell membrane?
Back
Lipids separate the contents inside the cell from the outside environment.
7.
FLASHCARD QUESTION
Front
Define homeostasis in biological systems.
Back
Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.
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