Sjd Flashcards
What is the first principle of Cell Theory?
All living organisms are composed of cells
What is the basic unit of life according to Cell Theory?
The cell
What does Cell Theory state about the origin of cells?
All cells arise from pre-existing cells
What characterizes Prokaryotic Cells?
No nucleus, no membrane-bound organelles
What are examples of Prokaryotic Cells?
- Bacteria
- Archaea
What characterizes Eukaryotic Cells?
Have a nucleus and membrane-bound organelles
What is the function of the Nucleus in a cell?
Contains DNA; controls cell activities
What is the primary function of Mitochondria?
Produces ATP through cellular respiration
Where does protein synthesis occur?
Ribosomes
What is the function of Rough Endoplasmic Reticulum (RER)?
Studded with ribosomes; synthesizes proteins
What is the function of Smooth Endoplasmic Reticulum (SER)?
Synthesizes lipids and detoxifies substances
What is the role of the Golgi Apparatus?
Modifies, sorts, and packages proteins and lipids
What do Lysosomes contain and what is their function?
Contains digestive enzymes; breaks down waste materials
What are Centrosomes and Centrioles involved in?
Cell division
What is the function of Chloroplasts in plant cells?
Site of photosynthesis
What is the structure of the Cell Membrane?
Phospholipid bilayer
What does the Cell Membrane control?
Movement of substances in and out
What is the function of the Cytoskeleton?
Provides structure, shape, and facilitates movement
What is Cellular Respiration?
Conversion of glucose and oxygen into ATP, carbon dioxide, and water
What is Photosynthesis?
Conversion of carbon dioxide and water into glucose and oxygen using sunlight
