Podcast
Questions and Answers
Which of the following best describes the role of the cell membrane?
Which of the following best describes the role of the cell membrane?
- To selectively regulate the passage of substances into and out of the cell, maintaining cellular homeostasis. (correct)
- To provide structural support to the cell, maintaining its shape and rigidity.
- To house the cell's genetic material and control gene expression.
- To synthesize proteins and transport them to various cellular locations.
A researcher observes a cell actively synthesizing proteins. Which organelle is most likely responsible for this activity?
A researcher observes a cell actively synthesizing proteins. Which organelle is most likely responsible for this activity?
- Endoplasmic reticulum
- Golgi apparatus
- Ribosome (correct)
- Lysosome
Following signal reception, a cell initiates a cascade of events involving multiple intracellular molecules. What is this process called?
Following signal reception, a cell initiates a cascade of events involving multiple intracellular molecules. What is this process called?
- Signal transduction (correct)
- Receptor modification
- Signal amplification
- Ligand dissociation
Which of the subsequent phases of the cell cycle involves DNA replication?
Which of the subsequent phases of the cell cycle involves DNA replication?
Which of the following is NOT a function of the extracellular matrix (ECM)?
Which of the following is NOT a function of the extracellular matrix (ECM)?
During cellular respiration, which stage directly utilizes oxygen to generate the majority of ATP?
During cellular respiration, which stage directly utilizes oxygen to generate the majority of ATP?
What is the role of the Golgi apparatus in a eukaryotic cell?
What is the role of the Golgi apparatus in a eukaryotic cell?
A mutation in a gene results in a non-functional protein. According to the central dogma of molecular biology, at which step did this error most likely occur?
A mutation in a gene results in a non-functional protein. According to the central dogma of molecular biology, at which step did this error most likely occur?
Which cell junction type is primarily responsible for creating a water-tight seal between cells, preventing the passage of molecules through the intercellular space?
Which cell junction type is primarily responsible for creating a water-tight seal between cells, preventing the passage of molecules through the intercellular space?
A researcher is studying apoptosis. What is the significance of this process in multicellular organisms?
A researcher is studying apoptosis. What is the significance of this process in multicellular organisms?
Flashcards
Cell Biology
Cell Biology
The study of cells, their structure, function, and behavior at the molecular and physiological levels.
Cell Theory
Cell Theory
States that all living organisms are composed of cells; the cell is the basic unit of life; and all cells arise from pre-existing cells.
Prokaryotic Cells
Prokaryotic Cells
Cells lacking a nucleus and other membrane-bound organelles
Eukaryotic Cells
Eukaryotic Cells
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Plasma Membrane
Plasma Membrane
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Ribosomes
Ribosomes
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Metabolism
Metabolism
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Extracellular Matrix (ECM)
Extracellular Matrix (ECM)
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Mitochondria
Mitochondria
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CRISPR-Cas9
CRISPR-Cas9
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