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Questions and Answers
Questions and Answers
Cells consist of what components?
Cells consist of what components?
- Cell membrane and cytoplasm
- Nucleolus and chromatin (correct)
- Golgi body and ribosomes
- Mitochondria and lysosomes
The nucleus divides through what process?
The nucleus divides through what process?
mitosis
What does the nucleus contain?
What does the nucleus contain?
- Ribosomes and DNA
- Cytoplasm and proteins
- Nucleolus and chromatin (correct)
- Cell membrane
Chromatin is made up of what?
Chromatin is made up of what?
What does the nucleolus produce?
What does the nucleolus produce?
Ribosomes are used to make what?
Ribosomes are used to make what?
What kind of protein is produced?
What kind of protein is produced?
Where can ribosomes be found?
Where can ribosomes be found?
What is the function of the endoplasmic reticulum?
What is the function of the endoplasmic reticulum?
What organelles are contained in the cytoplasm?
What organelles are contained in the cytoplasm?
What does the mitochondria produce?
What does the mitochondria produce?
What do lysosomes contain?
What do lysosomes contain?
What is the function of enzymes?
What is the function of enzymes?
What does the Golgi body create?
What does the Golgi body create?
What is the function of vesicles?
What is the function of vesicles?
What is the Cell Membrane?
What is the Cell Membrane?
What does being semipermeable allow?
What does being semipermeable allow?
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Study Notes
Study Notes
Cell Structure and Function
- Cells contain a nucleolus and chromatin, crucial for genetic function.
- The nucleus undergoes mitosis, a process vital for cell division and replication.
- Chromatin is composed of DNA, organizing genetic material for cell function.
Ribosome Production and Function
- The nucleolus is responsible for synthesizing ribosomes, essential for protein production.
- Ribosomes are used to manufacture proteins, including critical hormones like insulin.
- Ribosomes are located on the endoplasmic reticulum, enhancing their efficiency in protein synthesis.
Endoplasmic Reticulum and Protein Transport
- The endoplasmic reticulum acts as a delivery system for proteins, transporting them within the cell.
Cytoplasm and Organelles
- The cytoplasm contains various organelles including the endoplasmic reticulum, mitochondria, lysosomes, and Golgi body.
- Mitochondria generate ATP, the energy currency of the cell.
- Lysosomes house enzymes that break down various substances, aiding in cellular maintenance.
Golgi Body and Vesicles
- The Golgi body modifies and packages proteins into vesicles for export.
- Vesicles facilitate the export of proteins across the cell membrane.
Cell Membrane Characteristics
- The cell membrane is semipermeable, regulating the passage of substances.
- Being semipermeable enables osmosis and diffusion, maintaining cellular homeostasis.
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