Year 10 - Science
Animal cells: common structures and specialised cells
Eukaryotic and prokaryotic cells
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit covers the structure and function of sub-cellular components in eukaryotic and prokaryotic cells and explores DNA as the genetic material of organisms. It explains genetic terms, protein synthesis, and how genetic variants influence phenotypes.
Lesson Summary
You can identify common structures of animal cells and describe how some specialised cells in animals are adapted for the jobs the cells do.
Key Notes
- The animal cell model describes the common structures of animal cells.
- These structures include the cytoplasm, cell membrane, nucleus and mitochondria. Each structure has a specific function.
- Specialised cells in animals have shapes, sizes and structures that are adapted for the jobs the cells do.
- Examples of specialised animal cells include blood cells and nerve cells.
Vocabulary To Learn
- cytoplasm: A jelly-like substance containing dissolved nutrients and salts where many chemical reactions happen.
- cell membrane: A partially permeable structure that surrounds the cell; it controls the movement of substances into and out of the cell.
- nucleus: A sub-cellular structure that contains genetic material, which controls cellular activities.
- DNA: A molecule found in the nucleus of cells and contains the genetic code for making proteins.
- mitochondria: Sub-cellular structures that contain the enzymes for respiration, and is where most energy is released in respiration.
Common Mistakes To Avoid
- All animal cells are the same as the model animal cell. Energy is created during respiration.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
The animal cell model describes the common structures of animal cells. These structures include the cytoplasm, cell membrane, nucleus and mitochondria. Each structure has a specific function.
2. Define this scientific word and use it in context. 'cytoplasm'
A jelly-like substance containing dissolved nutrients and salts where many chemical reactions happen. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: All animal cells are the same as the model animal cell. Energy is created during respiration. Correction: The model animal cell simplifies the complex structure of animal cells. There are specialised animal cells that have different shapes and sub-cellular structures to help them carry out a specific function. Energy is transferred through respiration.
More Lessons In This Unit
- Cells Study Guide
- Common structures of prokaryotic cells Study Guide
- Eukaryotic and prokaryotic organisms Study Guide
- Light microscopy: observing and drawing cells Study Guide
- Plant cells: common structures and specialised cells Study Guide
- The size and scale of cells: including standard form Study Guide
- The size and scale of cells: the basics Study Guide
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