(i) Name any three parts in plant cell which differentiate it from an animal cell and mention
their function.
(ii) Which organelle is known as the powerhouse of the cell? Why?
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Answers
Answer:
1. Animal cells and plant cells share the common components of a nucleus, cytoplasm, mitochondria and a cell membrane. Plant cells have three extra components, a vacuole, chloroplast and a cell wall.
Cell wall - A hard layer outside the cell membrane, containing cellulose to provide strength to the plant.
Vacuole – A space inside the cell that is used to store substances and help the cell keep its shape.
Chloroplasts – Structures that contain the green pigment chlorophyll, which are a key part of photosynthesis.
2. Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration.
this reason that mitochondria are often referred to as the powerhouses of the cell.
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