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Questions and Answers
Which of the following distinguishes a plant cell from an animal cell?
Which of the following distinguishes a plant cell from an animal cell?
- Presence of chloroplasts (correct)
- Absence of ribosomes
- Lack of a cell wall
- Presence of lysosomes
What is the correct order of cell types arranged in decreasing size?
What is the correct order of cell types arranged in decreasing size?
- Plant Cells, Animal Cells, Bacteria (correct)
- Animal Cells, Bacteria, Plant Cells
- Bacteria, Plant Cells, Animal Cells
- Animal Cells, Plant Cells, Bacteria
What is the main function of the cell membrane?
What is the main function of the cell membrane?
- Site of energy production
- Facilitates protein synthesis
- Regulates movement of substances in and out of the cell (correct)
- Storage of genetic material
Which type of cell is characterized by the absence of a nucleus?
Which type of cell is characterized by the absence of a nucleus?
What term describes a group of similar cells that perform a shared function?
What term describes a group of similar cells that perform a shared function?
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Study Notes
Differences Between Plant and Animal Cells
- Plant cells possess a cell wall and chloroplasts, while animal cells do not.
- Animal cells contain centrioles, which are absent in plant cells.
Size Orders
- Cells, tissues, organs, organ systems, organisms represent a decreasing order of size.
Cell Groups
- A group of similar cells performing a shared function is termed a tissue.
Cellular Respiration
- Cellular respiration occurs primarily in the mitochondria.
Onion Cell Parts
- Onion cell parts labelled A, B, and C typically indicate the cell wall, cytoplasm, and nucleus, respectively.
Storage Organelles
- Vacuoles are used for the temporary storage of food, water, and waste products.
Nerve Cells
- Neurons are specialized cells known as nerve cells.
Cell Membrane Function
- The cell membrane regulates the entry and exit of materials, providing protection and support for the cell.
Cell Replication
- Mitosis is the process by which cells make copies of themselves.
Multicellularity
- Multicellular organisms consist of many specialized cells that work together.
Nucleus Absence
- Prokaryotic cells, like bacteria, have no nucleus.
Prokaryotic Organelles
- Prokaryotes do not contain membrane-bound organelles, which makes the statement false.
Cell Types
- Captionless images potentially represent various types of cells, requiring context for identification.
Protein Synthesis
- Ribosomes are responsible for making proteins for the cell.
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