What are biological catalysts?
Living Environment Regents DRILL 1

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Biology
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Biological catalysts, also known as enzymes, are proteins that speed up chemical reactions in living organisms without being consumed in the process.
2.
FLASHCARD QUESTION
Front
What is the role of green plants and algae in an ecosystem?
Back
Green plants and algae are producers that convert sunlight into energy through photosynthesis, forming the base of the food chain.
3.
FLASHCARD QUESTION
Front
What is the function of lymphatic capillaries?
Back
Lymphatic capillaries collect excess interstitial fluid and transport it back to the bloodstream, playing a crucial role in fluid balance and immune response.
4.
FLASHCARD QUESTION
Front
What are producers in an ecosystem?
Back
Producers are organisms that create their own food through photosynthesis or chemosynthesis, serving as a primary energy source for consumers.
5.
FLASHCARD QUESTION
Front
What is the function of stomates in plants?
Back
Stomates are openings on the surface of leaves that regulate gas exchange, allowing carbon dioxide in and oxygen out, essential for photosynthesis.
6.
FLASHCARD QUESTION
Front
What is the significance of CO2 for green plants?
Back
CO2 is essential for photosynthesis, the process by which green plants convert light energy into chemical energy, producing glucose and oxygen.
7.
FLASHCARD QUESTION
Front
How do the circulatory and lymphatic systems work together?
Back
Both systems transport substances throughout the body; the circulatory system moves blood and nutrients, while the lymphatic system helps in immune response and fluid balance.
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