Podcast
Questions and Answers
What is produced in the aerobic respiration process?
What is produced in the aerobic respiration process?
- Oxygen and Glucose
- Glucose and Water
- ATP and Oxygen
- Carbon Dioxide and Water (correct)
Which macromolecule is made of amino acids?
Which macromolecule is made of amino acids?
- Carbohydrates
- Proteins (correct)
- Lipids
- Nucleic Acids
How much energy is typically passed on to the next trophic level in an energy pyramid?
How much energy is typically passed on to the next trophic level in an energy pyramid?
- 5%
- 20%
- 50%
- 10% (correct)
Which process involves the breakdown of larger molecules into smaller ones?
Which process involves the breakdown of larger molecules into smaller ones?
What component of the cell membrane is primarily responsible for its structure?
What component of the cell membrane is primarily responsible for its structure?
What type of molecules are starch and glycogen categorized as?
What type of molecules are starch and glycogen categorized as?
What is the primary role of enzymes in biological systems?
What is the primary role of enzymes in biological systems?
Which cycle includes both respiration and photosynthesis?
Which cycle includes both respiration and photosynthesis?
What element is present in proteins that is not found in carbohydrates?
What element is present in proteins that is not found in carbohydrates?
Which of the following is NOT a function of lipids in the body?
Which of the following is NOT a function of lipids in the body?
Which life function is primarily responsible for energy production within cells?
Which life function is primarily responsible for energy production within cells?
What is the function of the ribosome in a cell?
What is the function of the ribosome in a cell?
What is necessary for a species to survive even though it may not be necessary for an individual organism?
What is necessary for a species to survive even though it may not be necessary for an individual organism?
Which part of the cell serves as a semi-permeable barrier regulating what enters and exits the cell?
Which part of the cell serves as a semi-permeable barrier regulating what enters and exits the cell?
What is the primary purpose of chloroplasts in plant cells?
What is the primary purpose of chloroplasts in plant cells?
What process produces oxygen and glucose during photosynthesis?
What process produces oxygen and glucose during photosynthesis?
Which organelle is responsible for controlling the cell and containing genetic information?
Which organelle is responsible for controlling the cell and containing genetic information?
What primary function does the vacuole serve in a plant cell?
What primary function does the vacuole serve in a plant cell?
Which of the following is NOT a level of organization in biological systems?
Which of the following is NOT a level of organization in biological systems?
Which light color is known to promote the least amount of photosynthesis?
Which light color is known to promote the least amount of photosynthesis?
Flashcards
Respiration
Respiration
Process that makes energy (ATP) through the breakdown of glucose.
Aerobic Respiration
Aerobic Respiration
Respiration requiring oxygen to produce a large amount of ATP (36 ATPs).
Anaerobic Respiration
Anaerobic Respiration
Respiration without oxygen, resulting in smaller amount of ATP (few ATPs).
Mitochondria
Mitochondria
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Energy Pyramid
Energy Pyramid
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Food Web
Food Web
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Food Chain
Food Chain
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Decomposer
Decomposer
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Organic Molecules
Organic Molecules
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Macromolecule
Macromolecule
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Monosaccharide
Monosaccharide
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Protein
Protein
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Amino Acid
Amino Acid
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Enzyme
Enzyme
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Hydrolysis
Hydrolysis
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Dehydration Synthesis
Dehydration Synthesis
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Lipid
Lipid
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Carbohydrate
Carbohydrate
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Life Functions
Life Functions
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Nutrition
Nutrition
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Transport
Transport
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Respiration
Respiration
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Excretion
Excretion
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Growth
Growth
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Synthesis
Synthesis
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Regulation
Regulation
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Reproduction
Reproduction
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Metabolism
Metabolism
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Homeostasis
Homeostasis
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Levels of Organization
Levels of Organization
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Organelle
Organelle
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Cell
Cell
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Tissue
Tissue
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Organ
Organ
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Organ System
Organ System
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Organism
Organism
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Cell Membrane
Cell Membrane
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Cell Wall
Cell Wall
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Cytoplasm
Cytoplasm
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Nucleus
Nucleus
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Mitochondria
Mitochondria
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Ribosome
Ribosome
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Vacuole
Vacuole
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Chloroplast
Chloroplast
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Photosynthesis
Photosynthesis
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Leaves
Leaves
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Stomates
Stomates
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Guard Cells
Guard Cells
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Chlorophyll
Chlorophyll
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Study Notes
Life Functions
- Living organisms take in materials for growth and repair (nutrition)
- Materials are moved through the organism (transport)
- Nutrients are broken down to make energy (respiration)
- Waste products are removed (excretion)
- Living things increase in size or cell number (growth)
- Smaller molecules become larger molecules (synthesis)
- Activities are controlled and coordinated (regulation)
- Offspring are produced (reproduction). Reproduction is not needed for an individual organism to survive, but is necessary for a species to continue
Cells
- Levels of organization include organelles, cells, tissues, organs, organ systems, and organisms
- Organelles are specialized parts of cells with specific jobs
- Cells are the basic units of life, each performing many functions
- Tissues are groups of similar cells working together
- Organs are groups of different tissues working together
- Organ systems are multiple organs working together
- Organisms are many organ systems working together
Parts of the Cell
- Cell membrane is a semi-permeable layer enclosing the contents of the cell
- Cell wall supports plant cells
- Cytoplasm is a gel-like substance holding organelles
- Nucleus contains genetic information
- Mitochondria produce energy through respiration
- Ribosomes synthesize proteins
- Vacuoles store materials
- Chloroplasts perform photosynthesis (only in plant cells)
Plants
- Leaves have guard cells/stomates that control gas exchange (CO2 in, O2 out), and water movement
- Stomates open and close to maintain homeostasis under various conditions
- Photosynthesis takes place in chloroplasts, located primarily in the top layer of leaves
- Photosynthesis converts light energy to chemical energy (sugars) using carbon dioxide and water
Respiration
- Aerobic respiration needs oxygen to metabolize glucose, yielding energy and producing carbon dioxide as a byproduct
- Anaerobic respiration needs no oxygen, and results in less energy being produced.
Energy Pyramids
- Energy in an ecosystem flows from producers (plants) to consumers (primary, secondary, tertiary)
- Approximately 10% of energy is transferred to each successive level
Body Systems
- Nervous system sends messages throughout the body
- Circulatory system moves materials around the body
- Respiratory system is responsible for gas exchange
- Excretory system removes waste products
- Digestive system breaks down food into usable components
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