7 Questions
What is the main purpose of observing onion cells under a microscope?
Identify different organelles within the cell
Which structure in a plant cell is responsible for photosynthesis?
C (labelled structure)
What advice would you give to improve the scientific drawing of onion cells?
Add a scale bar to indicate size
Which organelle is responsible for storing genetic information in a plant cell?
B (labelled structure)
How did the invention of the microscope impact scientific discoveries?
Enabled observation of cells and microorganisms
Which component of the plant cell is responsible for providing structural support?
A (labelled structure)
What is the role of vacuoles in plant cells?
Store nutrients and waste products
Study Notes
Cell Basics
- Cells are the building blocks of all life.
Cell Theory
- There are three parts to cell theory:
- All organisms are composed of one or more cells.
- The cell is the basic unit of life.
- Cells arise from pre-existing cells.
Types of Cells
- Eukaryotic cells include fungi.
- Prokaryotic cells include bacteria and archaea.
Cell Organelles
- Ribosomes synthesize proteins.
- Mitochondria produce energy for the cell.
- Endoplasmic reticulum has various functions, including synthesizing proteins.
- Lysosomes break down and recycle cellular waste and foreign substances.
- Chloroplasts carry out photosynthesis in plant cells.
- The cell membrane regulates the movement of substances in and out of the cell.
Plant Cells
- Plant cells have a cell wall.
- Vacuoles in plant cells store water and other substances.
Microscopes
- The objective lens of a microscope magnifies the image of the specimen.
Kingdoms of Living Things
- The six kingdoms of living things are: Animal, Plant, Protist, Fungi, Bacteria, and Archaea.
Test your knowledge by providing an example of a specialized cell and explaining how its structure aids in performing its function. Explore the unique features of specialized cells in this quiz.
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