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Questions and Answers
What did Schwann state about animal cells?
What did Schwann state about animal cells?
- Only some animals are made of cells
- Cells cannot make up animals
- All animals are made out of cells (correct)
- All cells are made of animals
What structure helps in animal cell division?
What structure helps in animal cell division?
Centrioles
The animal cell has a cell wall.
The animal cell has a cell wall.
False (B)
What shape is an animal cell?
What shape is an animal cell?
Why are humans made up of animal cells?
Why are humans made up of animal cells?
What do animal cell vacuoles primarily store?
What do animal cell vacuoles primarily store?
What organelle turns oxygen into energy in an animal cell?
What organelle turns oxygen into energy in an animal cell?
What size do animal cells typically range from?
What size do animal cells typically range from?
An animal cell is a prokaryotic cell.
An animal cell is a prokaryotic cell.
How do animal cells reproduce?
How do animal cells reproduce?
All animal cells come from plant cells.
All animal cells come from plant cells.
What process allows an animal cell to self-destruct if it is not functioning properly?
What process allows an animal cell to self-destruct if it is not functioning properly?
What helps an animal cell to keep its shape?
What helps an animal cell to keep its shape?
Where in an animal cell can the nucleus be located?
Where in an animal cell can the nucleus be located?
What do ribosomes produce in an animal cell?
What do ribosomes produce in an animal cell?
Some ribosomes are floating free throughout the animal cell.
Some ribosomes are floating free throughout the animal cell.
What does the nucleolus produce within the nucleus?
What does the nucleolus produce within the nucleus?
What organelle is crucial for fighting off bacteria in an animal cell?
What organelle is crucial for fighting off bacteria in an animal cell?
What does the nucleus of an animal cell hold?
What does the nucleus of an animal cell hold?
What is chromatin another word for?
What is chromatin another word for?
What does the golgi apparatus do in an animal cell?
What does the golgi apparatus do in an animal cell?
What is the smooth endoplasmic reticulum?
What is the smooth endoplasmic reticulum?
Animal cells are crucial to all animals.
Animal cells are crucial to all animals.
What holds the nucleus and nucleolus in place?
What holds the nucleus and nucleolus in place?
What shape is a plant cell?
What shape is a plant cell?
Plant cells are crucial only to plants.
Plant cells are crucial only to plants.
What organelle in plant cells converts sunlight into usable energy?
What organelle in plant cells converts sunlight into usable energy?
Plant cells have a cell wall.
Plant cells have a cell wall.
What determines what comes in and out of a plant cell?
What determines what comes in and out of a plant cell?
How many vacuoles does a plant cell typically have?
How many vacuoles does a plant cell typically have?
Plant cells help produce some of the food that we eat.
Plant cells help produce some of the food that we eat.
What is needed for a plant to grow?
What is needed for a plant to grow?
What common features do plant and animal cells share?
What common features do plant and animal cells share?
What keeps all organelles in a plant cell in place?
What keeps all organelles in a plant cell in place?
Which organelles produce proteins in plant cells?
Which organelles produce proteins in plant cells?
What does the endoplasmic reticulum do in a plant cell?
What does the endoplasmic reticulum do in a plant cell?
What are the two kinds of endoplasmic reticulum?
What are the two kinds of endoplasmic reticulum?
What function does the golgi apparatus serve in plant cells?
What function does the golgi apparatus serve in plant cells?
What role does the mitochondrion play in plant cells?
What role does the mitochondrion play in plant cells?
What is the control center of a plant cell?
What is the control center of a plant cell?
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Study Notes
Animal Cell Facts
- Defined by Schwann, all animals are composed of cells.
- Contains centrioles essential for cell division, absent in plant cells.
- Characteristically oval in shape.
- Structure comprises a cell membrane, lacking a cell wall.
- Humans are composed of animal cells since they fall under the animal kingdom.
- Features small vacuoles for storing water and other substances.
- Mitochondria convert oxygen into usable energy for the cell.
- Size varies from approximately 1 to 100 micrometers.
- Classified as eukaryotic cells with a defined nucleus.
- Reproduces through mitosis, ensuring genetic continuity.
- Originates from pre-existing animal cells, indicating cellular lineage.
- Capable of self-destruction via apoptosis if dysfunction occurs.
- Cytoplasm maintains cell shape and houses the cytoskeleton.
- Nucleus can occupy any position within the cell.
- Ribosomes synthesize proteins, essential for cellular function.
- Ribosomes may be attached to the endoplasmic reticulum or free-floating.
- Nucleolus within the nucleus produces ribosomal RNA.
- Lysosomes play a critical role in eliminating harmful bacteria.
- Nucleus holds all genetic material (DNA) for cellular functions.
- Chromatin refers to the form of DNA stored in the nucleus.
- Golgi apparatus is responsible for transporting and packaging cellular components.
- Smooth endoplasmic reticulum lacks ribosomes and functions in lipid synthesis.
- Fundamental to all animals, supporting various physiological functions.
- Nuclear envelope secures the nucleus and nucleolus position.
Plant Cell Facts
- Plant cells have a distinctive rectangular shape.
- Essential structural unit for all plants with specific functions.
- Contains chloroplasts that convert sunlight into energy through photosynthesis.
- Surrounded by a protective cell wall that maintains shape and integrity.
- Beneath the cell wall lies the cell membrane, regulating substance movement.
- Typically features a single large vacuole occupying significant cell space.
- Involved in synthesizing sugars and carbohydrates crucial for plant life.
- Contributes to the availability of food resources for humans, e.g., potatoes and green beans.
- Requires sunlight exposure for growth and energy conversion processes.
- Shares similarities with animal cells, notably mitochondria, cell membrane, and cytoplasm.
- Cytoplasm stabilizes organelles within the cell.
- Contains ribosomes for protein production, necessary for growth and repair.
- The endoplasmic reticulum aids in intracellular transportation.
- Features two types of endoplasmic reticulum: smooth and rough, each serving distinct functions.
- Golgi apparatus also present for cellular transport and packaging duties.
- Mitochondria convert chemical energy into utilize energy forms for cell activity.
- Nucleus serves as the control center, housing DNA essential for cell regulation.
- Nucleolus found within the nucleus is involved in RNA synthesis, crucial for protein synthesis.
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