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Questions and Answers
The cytoskeleton is responsible for generating energy for the cell.
The cytoskeleton is responsible for generating energy for the cell.
False
The Golgi apparatus is involved in protein synthesis.
The Golgi apparatus is involved in protein synthesis.
False
Lysosomes contain digestive enzymes that build new cellular components.
Lysosomes contain digestive enzymes that build new cellular components.
False
The plasma membrane is impermeable to all substances.
The plasma membrane is impermeable to all substances.
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Centrioles are involved in the formation of lysosomes.
Centrioles are involved in the formation of lysosomes.
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Study Notes
Animal Cell Structure
- Plasma membrane is semi-permeable, regulating what enters and leaves the cell.
- Cytoplasm is a jelly-like substance where metabolic reactions occur.
- Cytoskeleton provides structural support, shape, and movement to the cell.
Organelles
Nucleus
- Controls cell growth and division.
- Contains DNA.
Mitochondria
- Generates energy for the cell through cellular respiration.
Endoplasmic Reticulum (ER)
- Involved in protein synthesis, transport, and storage.
Ribosomes
- Site of protein synthesis.
Lysosomes
- Contain digestive enzymes that break down and recycle cellular waste.
Golgi Apparatus
- Modifies, packages, and transports proteins and lipids.
Centrioles
- Involved in the formation of cilia, flagella, and spindle fibers.
Cellular Components
Chromatin
- Complex of DNA and proteins that makes up the chromosomes.
Peroxisomes
- Involved in the breakdown of fatty acids and amino acids.
Cilia
- Hair-like structures that aid in movement and sensing.
Flagella
- Long, whip-like structures that aid in movement.
Cell Membrane Functions
- Selective permeability: allows certain substances to pass through while keeping others out.
- Cell signaling: receptors on the surface of the cell membrane receive signals from other cells.
- Cell-cell recognition: cells recognize and respond to each other through membrane proteins.
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Description
Learn about the components of animal cells, including the plasma membrane, cytoplasm, and cytoskeleton, as well as organelles like the nucleus and mitochondria.
