What is the cell theory?
MAAP BIOLOGY REVIEW

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Biology
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9th - 11th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The cell theory states that: 1) All living organisms are composed of one or more cells. 2) The cell is the basic unit of life. 3) All cells arise from pre-existing cells.
2.
FLASHCARD QUESTION
Front
Define photosynthesis.
Back
Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose, using carbon dioxide and water, and releasing oxygen as a byproduct.
3.
FLASHCARD QUESTION
Front
What is the function of mitochondria?
Back
Mitochondria are known as the powerhouse of the cell; they generate ATP (adenosine triphosphate) through cellular respiration, providing energy for cellular activities.
4.
FLASHCARD QUESTION
Front
Explain the role of enzymes in biological reactions.
Back
Enzymes are biological catalysts that speed up chemical reactions in the body by lowering the activation energy required for the reaction to occur.
5.
FLASHCARD QUESTION
Front
What is the difference between prokaryotic and eukaryotic cells?
Back
Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and membrane-bound organelles.
6.
FLASHCARD QUESTION
Front
Define homeostasis.
Back
Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.
7.
FLASHCARD QUESTION
Front
What is natural selection?
Back
Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring, leading to evolutionary changes.
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