B1- Cells Flashcards
What are the two main types of organisms based on cell structure?
Prokaryotes and Eukaryotes
What is the basic unit of life?
Cell
What type of cells are more complex and include all animal and plant cells?
Eukaryotic cells
What type of cells are smaller and simpler, such as bacteria?
Prokaryotic cells
Define a prokaryote.
A single-celled organism with a prokaryotic cell
List the main subcellular structures found in most animal cells.
- Nucleus
- Cytoplasm
- Cell membrane
- Mitochondria
- Ribosomes
What is the function of the nucleus in a cell?
Contains genetic material that controls the activities of the cell
What is the gel-like substance where most chemical reactions happen in a cell?
Cytoplasm
What is the role of mitochondria in a cell?
Where most reactions for aerobic respiration take place
Where are proteins made in the cell?
Ribosomes
What additional structures do plant cells have that animal cells do not?
- Rigid cell wall
- Permanent vacuole
- Chloroplasts
What is the function of the rigid cell wall in plant cells?
Supports and strengthens the cell
What do chloroplasts contain that is essential for photosynthesis?
Chlorophyll
What is the purpose of chloroplasts in plant cells?
Where photosynthesis occurs
What type of cells are bacteria classified as?
Prokaryotes