Podcast
Questions and Answers
Which of these are NOT properties of a cell?
Which of these are NOT properties of a cell?
- Living
- Simple / Doesn't Require Energy (correct)
- Reproduce
- Maintain Internal Environment / Homeostasis
The theory that all living things are composed of cells is in the cell theory.
The theory that all living things are composed of cells is in the cell theory.
True (A)
The main thing the cell membrane controls is the ______________ of molecules in and out of a cell.
The main thing the cell membrane controls is the ______________ of molecules in and out of a cell.
- Transportation (correct)
- Production
- Destruction
- None of the above
What is the jelly-like material found within a cell called?
What is the jelly-like material found within a cell called?
What does the nucleus do?
What does the nucleus do?
What is the chemical equation for photosynthesis?
What is the chemical equation for photosynthesis?
What is the role of mitochondria in cells?
What is the role of mitochondria in cells?
Lysosomes are responsible for producing energy.
Lysosomes are responsible for producing energy.
Plant cells have chloroplasts to perform photosynthesis.
Plant cells have chloroplasts to perform photosynthesis.
Which of these are true about unicellular organisms?
Which of these are true about unicellular organisms?
Which of the following is NOT a type of tissue in the animal body?
Which of the following is NOT a type of tissue in the animal body?
Connective tissue supports protects and binds. An example in the animal body is blood.
Connective tissue supports protects and binds. An example in the animal body is blood.
Nervous tissue is involved with communication.
Nervous tissue is involved with communication.
Ground tissue is organized so as to perform photosynthesis.
Ground tissue is organized so as to perform photosynthesis.
Technology is important in understanding and manipulating cells.
Technology is important in understanding and manipulating cells.
What are the major pros of manipulating cells?
What are the major pros of manipulating cells?
Cancer cells are also known as abnormal cells.
Cancer cells are also known as abnormal cells.
Which of the following are factors that contribute to cancer (select all that apply)?
Which of the following are factors that contribute to cancer (select all that apply)?
There is a cure for cancer.
There is a cure for cancer.
What are the four main components of Cell Theory?
What are the four main components of Cell Theory?
What is an example of a unicellular organism?
What is an example of a unicellular organism?
What is the difference between a prokaryote and eukaryote with regards to their nucleus?
What is the difference between a prokaryote and eukaryote with regards to their nucleus?
What is the function of the mitochondria in plant cells?
What is the function of the mitochondria in plant cells?
The cell membrane is a semi-permeable membrane.
The cell membrane is a semi-permeable membrane.
Briefly explain the process of diffusion.
Briefly explain the process of diffusion.
What is the function of the Golgi apparatus?
What is the function of the Golgi apparatus?
What is the function of the lysosomes?
What is the function of the lysosomes?
What is the function of the endoplasmic reticulum (ER)?
What is the function of the endoplasmic reticulum (ER)?
What are the 5 main types of tissues in animals?
What are the 5 main types of tissues in animals?
What are the three types of plant tissue?
What are the three types of plant tissue?
Explain the difference between unicellular and multicellular organisms. Why is one more complex than the other?
Explain the difference between unicellular and multicellular organisms. Why is one more complex than the other?
What is the function of the cell wall in plant cells?
What is the function of the cell wall in plant cells?
What are the two types of vascular tissue in plants, and what do they transport?
What are the two types of vascular tissue in plants, and what do they transport?
What is the connection between the concept of the cell and its ability to produce energy?
What is the connection between the concept of the cell and its ability to produce energy?
What is the purpose of mitosis?
What is the purpose of mitosis?
What differentiates osmosis from diffusion?
What differentiates osmosis from diffusion?
What are the four main stages of mitosis, and what occurs during each stage?
What are the four main stages of mitosis, and what occurs during each stage?
Why are both the cell wall and cell membrane critical for plant cells?
Why are both the cell wall and cell membrane critical for plant cells?
Why is the nucleus considered the control center of the cell?
Why is the nucleus considered the control center of the cell?
What role does the vacuole play in plant cells, and how does it contribute to the plant's overall structure and function?
What role does the vacuole play in plant cells, and how does it contribute to the plant's overall structure and function?
Why is the process of cell division critical for life?
Why is the process of cell division critical for life?
How does the cell membrane play a crucial role in maintaining a cell's internal environment?
How does the cell membrane play a crucial role in maintaining a cell's internal environment?
What is the function of the chloroplast in plant cells? What are the necessary ingredients for the process to occur?
What is the function of the chloroplast in plant cells? What are the necessary ingredients for the process to occur?
What are some examples of how technology has been used to understand cells?
What are some examples of how technology has been used to understand cells?
What is a potential benefit of manipulating cells?
What is a potential benefit of manipulating cells?
What are some potential concerns associated with manipulating cells?
What are some potential concerns associated with manipulating cells?
Flashcards
Cell Membrane
Cell Membrane
A thin, flexible layer surrounding a cell, controlling what enters and leaves.
Cytoplasm
Cytoplasm
Jelly-like substance filling the cell, holding organelles and enabling material movement.
Endoplasmic Reticulum
Endoplasmic Reticulum
A network of membranes transporting materials within and out of the cell.
Mitochondria
Mitochondria
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Nucleus
Nucleus
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Ribosomes
Ribosomes
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Golgi Body
Golgi Body
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Vacuoles
Vacuoles
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Cell Wall
Cell Wall
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Chloroplasts
Chloroplasts
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Cilia
Cilia
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Lysosomes
Lysosomes
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Active Transport
Active Transport
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Diffusion
Diffusion
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Osmosis
Osmosis
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Plant Cell
Plant Cell
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Animal Cell
Animal Cell
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Mitosis
Mitosis
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Epithelial Tissue
Epithelial Tissue
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Connective Tissue
Connective Tissue
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Cancer
Cancer
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Carcinogens
Carcinogens
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Circulatory System
Circulatory System
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Respiratory System
Respiratory System
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What makes something living?
What makes something living?
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Endoplasmic Reticulum (ER)
Endoplasmic Reticulum (ER)
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Plant Cell vs. Animal Cell
Plant Cell vs. Animal Cell
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Muscle Tissue
Muscle Tissue
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Nervous Tissue
Nervous Tissue
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Ground Tissue
Ground Tissue
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Dermal Tissue
Dermal Tissue
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Vascular Tissue
Vascular Tissue
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Digestive System
Digestive System
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Study Notes
Cells
- Cells are the basic units of life
- All living things are composed of cells
- Cells are the basic unit of life
- All cells come from pre-existing cells
- All cells have the same basic chemical composition
Cell Membrane
- Thin, flexible, skin-like layer surrounding the cell
- Controls the movement of materials in and out of the cell
- Includes diffusion and osmosis
Cytoplasm
- Jelly-like material filling the cell
- Provides support and structure for organelles
- Allows materials to move safely around the cell
Nucleus
- Spherical, dark organelle
- Control center of the cell
- Contains chromosomes, instructions for other organelles
Mitochondria
- Oval-shaped organelles
- Powerhouses of the cell
- Break down food particles to release energy (ATP) in the presence of oxygen
Endoplasmic Reticulum (ER)
- Folded membranes forming canals
- Transports proteins and other materials through the cell
Ribosomes
- Tiny circular structures
- Produce proteins needed for cell growth, repair, and reproduction
Golgi Body
- Folded membranes
- Modifies proteins and sends them to their destination within or outside the cell
Vacuoles
- Sack-like structures
- Storage spaces for food, waste, and other materials
Cell Wall
- Rigid outer layer found only in plant cells
- Provides support and structure
Chloroplasts
- Found only in plant cells
- Contain chlorophyll which absorbs sunlight for photosynthesis
- Location of photosynthesis
Lysosomes
- Found only in animal cells
- Contain enzymes to break down unwanted materials
Flagella and Cilia
- Hair-like structures
- Used for movement
Plant Cells vs Animal Cells
- Plant cells have cell walls and chloroplasts, and a large central vacuole
- Animal cells have lysosomes
Mitosis
- Process by which cells divide
- DNA replicates, chromosomes are separated into two identical sets in two new nuclei
- Two new cells are created from a single parent cell
Cell Processes
- Diffusion - Movement of particles from high concentration to low concentration (no energy required)
- Osmosis - Movement of water across a semipermeable membrane from high concentration to low concentration (no energy required)
- Active transport - Movement of particles against the concentration gradient (energy required)
Tissues
- Groups of specialized cells working together
- Examples include epithelial, connective, muscle, and nervous tissues
Organs
- Groups of tissues working together
- Examples include heart, lungs, and stomach
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