What happens to the concentration of O2 inside a cell when it is placed in water with a higher concentration of O2 outside?
Living Environment Regents DRILL 1

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Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The concentration of O2 will increase inside the cell due to diffusion.
2.
FLASHCARD QUESTION
Front
What are metabolic functions in a cell?
Back
Metabolic functions are the chemical processes that occur within a cell to maintain life, including energy production and synthesis of molecules.
3.
FLASHCARD QUESTION
Front
How does pH affect enzyme activity?
Back
A difference in the pH of an environment can change enzyme activity, as enzymes have optimal pH levels for their function.
4.
FLASHCARD QUESTION
Front
What is the formula to calculate total magnification in microscopy?
Back
Total magnification = eyepiece magnification x objective magnification.
5.
FLASHCARD QUESTION
Front
Why is maintaining homeostasis important for organisms?
Back
Maintaining homeostasis is crucial for regulating internal conditions, such as temperature and pH, to ensure proper functioning of biological processes.
6.
FLASHCARD QUESTION
Front
What is diffusion?
Back
Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.
7.
FLASHCARD QUESTION
Front
What is the role of enzymes in biological reactions?
Back
Enzymes act as catalysts to speed up chemical reactions in the body without being consumed in the process.
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