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Questions and Answers
What is a primary function of mitochondria in a cell?
What is a primary function of mitochondria in a cell?
- Protein synthesis
- DNA replication
- Cell division
- Energy production (correct)
Which organelle is involved in the modification and packaging of proteins?
Which organelle is involved in the modification and packaging of proteins?
- Golgi apparatus (correct)
- Ribosome
- Lysosome
- Endoplasmic reticulum
What is the main component of the cell membrane?
What is the main component of the cell membrane?
- Carbohydrates
- Proteins
- Nucleic acids
- Phospholipids (correct)
Which process involves the passive movement of molecules across a cell membrane?
Which process involves the passive movement of molecules across a cell membrane?
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What role do ribosomes play in cells?
What role do ribosomes play in cells?
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Study Notes
Mitochondria & Energy Production
- Mitochondria are responsible for cellular respiration, the process of converting glucose into ATP (adenosine triphosphate), the cell's main energy source.
Protein Modification and Packaging
- The Golgi apparatus modifies, sorts, and packages proteins synthesized by ribosomes.
The Cell Membrane
- Phospholipids are the primary component of the cell membrane, forming a bilayer structure.
Passive Transport
- Diffusion is a passive transport process where molecules move down their concentration gradient, from a high concentration area to a low concentration area, without requiring cellular energy.
Ribosomes & Protein Synthesis
- Ribosomes are responsible for protein synthesis, translating genetic information from messenger RNA (mRNA) into amino acid sequences, creating proteins essential for various cellular functions.
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