Cells Flashcards
What is a nucleus?
A nucleus contains genetic material, which controls the activities of the cell.
What is cytoplasm?
Most chemical processes take place here, controlled by enzymes.
What is the cell membrane?
It controls the movement of substances into and out of the cell.
What is mitochondria?
Most energy is released by respiration here.
What are ribosomes?
Protein synthesis happens here.
What is the function of the cell wall?
It strengthens the cell
What is the function of chloroplasts?
They contain chlorophyll, which absorbs sunlight for photosynthesis.
What is the function of a permanent vacuole?
It’s filled with cell sap to help keep the cell turgid
Name a part that is found in plant cells but not in animal cells.
Cell wall.
Name a part which is missing from human red blood cells.
Nucleus
What is diffusion?
The movement of particles from high concentration to low concentration.
What would not speed up diffusion in an animal cell?
Making the cell rounder.
What substance moves out of respiring cells?
Carbon dioxide.
What substance moves into respiring cells?
Glucose
How are bacterial cells different from animal cells?
Bacterial cells have a cell wall and no nucleus; animal cells have a nucleus but no cell wall.
