Cell structure and level of organisation Flashcards
What is the function of the cell membrane?
It is semi-permeable and controls the movement of substances in and out of the cell.
What is the role of the cytoplasm in a cell?
It is the site of chemical reactions.
What does the nucleus contain, and what is its function?
It contains DNA and controls cell functions.
What is the function of mitochondria?
It is the site of aerobic respiration and releases energy.
What is the role of ribosomes?
They are the site of protein synthesis.
What is the function of the cell wall in a plant cell?
It is made of cellulose, protects the cell, and gives it shape.
What do chloroplasts do?
They are the site of photosynthesis and contain chlorophyll to absorb light.
What is stored in the sap vacuole?
Water and mineral ions.
What is the correct order of biological organization from simplest to most complex?
Cell → Tissue → Organ → Organ System → Organism.
What is a tissue?
A group of similar cells that perform a specific function.
What is an organ?
A structure made of different tissues working together to perform functions.
