Podcast
Questions and Answers
If a cell were unable to effectively synthesize lipids, which organelle would likely be malfunctioning?
If a cell were unable to effectively synthesize lipids, which organelle would likely be malfunctioning?
- Golgi Body
- Mitochondria
- Rough Endoplasmic Reticulum
- Smooth Endoplasmic Reticulum (correct)
Which of the following best describes the role of receptor sites present on the cell membrane?
Which of the following best describes the role of receptor sites present on the cell membrane?
- To produce ATP through cellular respiration.
- To facilitate intercellular communication. (correct)
- To package and transport molecules within the cell.
- To synthesize proteins for internal use.
During cell division, if the spindle fibers fail to form correctly, which organelle is most likely malfunctioning?
During cell division, if the spindle fibers fail to form correctly, which organelle is most likely malfunctioning?
- Centrioles (correct)
- Ribosomes
- Mitochondria
- Golgi Body
A cell actively engaged in synthesizing large quantities of proteins for secretion would likely have an abundance of which organelle?
A cell actively engaged in synthesizing large quantities of proteins for secretion would likely have an abundance of which organelle?
In a eukaryotic cell, if the nuclear envelope suddenly becomes impermeable, which of the following processes would be most immediately affected?
In a eukaryotic cell, if the nuclear envelope suddenly becomes impermeable, which of the following processes would be most immediately affected?
Flashcards
Nucleus
Nucleus
The control center of the cell that contains DNA.
Mitochondria
Mitochondria
Powerhouse of the cell that produces ATP through aerobic respiration.
Rough Endoplasmic Reticulum
Rough Endoplasmic Reticulum
Site of protein synthesis with ribosomes on its surface.
Golgi Body
Golgi Body
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Cell Membrane
Cell Membrane
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Study Notes
Organelles
- Nucleus: Contains DNA, controls cell activities, surrounded by a nuclear envelope
- Ribosomes: Site of protein synthesis (translation), found attached to rough ER or in the cytoplasm.
- Rough Endoplasmic Reticulum (RER): Involved in protein synthesis and transport, contains ribosomes, connected to the nuclear membrane
- Smooth Endoplasmic Reticulum (SER): Transports substances, synthesizes lipids, and detoxifies substances (drugs, alcohol), lacks ribosomes
- Mitochondria: Produces ATP (energy) through aerobic cellular respiration (glucose + oxygen → carbon dioxide + water + heat + ATP)
- Golgi Body: Packages and transports molecules within or outside the cell.
- Centrioles: Form spindle fibers for chromosome attachment during cell division
- Cell Membrane: Selectively permeable phospholipid membrane that controls substance movement in and out of the cell
- Cytoplasm: Jelly-like substance surrounding organelles, site of many chemical reactions, contains proteins, salts, ribosomes, and other organelles
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Description
Explore the structure and function of cell organelles. Understand their roles in protein synthesis, energy production, and transport within the cell. Learn about the nucleus, ribosomes, endoplasmic reticulum, mitochondria, Golgi body, centrioles, cell membrane, and cytoplasm.
