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Questions and Answers
What is the primary function of the nervous system?
What is the primary function of the nervous system?
Which of the following represents an acidic solution?
Which of the following represents an acidic solution?
What role do decomposers play in an ecosystem?
What role do decomposers play in an ecosystem?
What are the two main products of photosynthesis?
What are the two main products of photosynthesis?
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What is the term for the physical expression of a trait?
What is the term for the physical expression of a trait?
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What is the primary function of ribosomes?
What is the primary function of ribosomes?
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Which organelle is responsible for photosynthesis in plant cells?
Which organelle is responsible for photosynthesis in plant cells?
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What term describes the role an organism plays in its ecosystem?
What term describes the role an organism plays in its ecosystem?
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What is the result of cytokinesis?
What is the result of cytokinesis?
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What are the building blocks of nucleic acids?
What are the building blocks of nucleic acids?
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How many chromosomes are in a human gamete?
How many chromosomes are in a human gamete?
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What is the primary source of energy for most ecosystems?
What is the primary source of energy for most ecosystems?
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What is the smallest unit of life?
What is the smallest unit of life?
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Study Notes
Cellular Organelles
- Mitochondria function: Energy production
- Chloroplast function: Photosynthesis in plant cells
- Selectively permeable membrane: Allows only certain substances to pass through
- Ribosomes function: Protein synthesis
- Golgi apparatus function: Packages and distributes proteins
- Plant cell wall function: Provides support and protection
Macromolecules
- Protein building blocks: Amino acids
- Primary energy source: Carbohydrates
- Lipid function: Long-term energy storage and insulation
- Nucleic acid building blocks: Nucleotides
Cell Division
- Mitosis purpose: Produce identical daughter cells
- Human gamete chromosomes: 23
- Meiosis result: Four genetically unique cells
- Mitosis middle phase: Metaphase (chromosomes line up)
- Cytokinesis result: Cytoplasm division, creating two separate cells
Ecosystems
- Abiotic factor example: Temperature
- Organism's role in ecosystem: Niche
- Autotroph: Makes its own food
- Heterotroph: Consumes other organisms
- Ecosystem energy source: The sun
- Group of same species: Population
Biology Basics
- Homeostasis definition: Maintaining a stable internal environment
- Genetic information molecule: DNA (Deoxyribonucleic Acid)
Human Systems
- Circulatory system: Transports nutrients, oxygen, and waste
- Nervous system function: Transmit signals and respond to stimuli
- Waste removal organ: Kidneys
- Gas exchange system: Respiratory system
Chemistry of Life
- Acidic solution pH range: Less than 7
- Basic solution pH range: Greater than 7
- Universal solvent: Water
- Element in organic molecules: Carbon
Food Chains and Ecosystems
- Producers: Organisms producing their own food (e.g., through photosynthesis)
- Consumers: Organisms eating other organisms
- Decomposers role: Break down dead organisms, recycle nutrients
- Trophic level: A step in a food chain or web
- Photosynthesis process: Plants convert sunlight to chemical energy
- Photosynthesis products: Glucose and oxygen
- Genetic material: DNA and RNA
- Heredity: Passing of traits from parents to offspring
- Genotype: Genetic makeup
- Phenotype: Physical expression of a trait
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Description
Explore the fascinating world of cellular organelles, macromolecules, and the processes involved in cell division. This quiz also delves into the roles of organisms in ecosystems and the factors that influence them. Test your knowledge on these fundamental biology concepts!
