Grade 12 Cell Structure Worksheet
A comprehensive worksheet for Grade 12 Biology students on the structure and function of eukaryotic and prokaryotic cells, including organelles and their roles.
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Grade 12 Cell Structure Worksheet
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Read each question carefully and provide detailed answers based on your knowledge of cell structure and function. Ensure your answers are clear, concise, and scientifically accurate.
1. Which of the following organelles is primarily responsible for ATP production through cellular respiration?
Endoplasmic Reticulum
Mitochondrion
Golgi Apparatus
Chloroplast
2. Which component is found in a plant cell but not in an animal cell?
Cell membrane
Mitochondria
Cell wall
Nucleus
3. The is responsible for synthesizing lipids and detoxifying drugs.
4. Ribosomes are composed of ribosomal RNA and , and their primary function is .
5. Differentiate between prokaryotic and eukaryotic cells, providing at least three key differences.
6. Describe the fluid mosaic model of the cell membrane and explain the roles of at least two types of molecules embedded within it.
Examine the following diagrams of a plant cell and an animal cell. Answer the questions that follow.


7. Identify two organelles present in the plant cell but absent in the animal cell shown above, and state their functions.
8. All prokaryotic cells have a cell wall.
True
False
9. Lysosomes are responsible for synthesizing proteins.
True
False
Match each organelle with its primary function.
10. Nucleolus
a. Modifies, sorts, and packages proteins
11. Golgi apparatus
b. Site of ribosome synthesis
12. Peroxisomes
c. Involved in lipid metabolism and detoxification
13. Vacuole
d. Storage of water, nutrients, and waste products