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Questions and Answers
Which organelle is responsible for the rapid release and uptake of calcium ions, controlling muscle contraction?
Which organelle is responsible for the rapid release and uptake of calcium ions, controlling muscle contraction?
- Cytoplasm
- tRNA
- Sarcoplasmic Reticulum (correct)
- Mitochondria
Where do most biochemical reactions occur?
Where do most biochemical reactions occur?
- Mitochondria
- Cytosol (correct)
- Ribosomes
- Plasma Membrane
Which organelle resembles the endoplasmic reticulum in structure?
Which organelle resembles the endoplasmic reticulum in structure?
- Lysosomes
- Sarcoplasmic Reticulum (correct)
- Nucleus
- Peroxisomes
Where does protein synthesis occur in the cell?
Where does protein synthesis occur in the cell?
What is the function of lysosomes in the cell?
What is the function of lysosomes in the cell?
Which fluid is contained and bounded by the plasma membrane?
Which fluid is contained and bounded by the plasma membrane?
What is the function of the sarcoplasmic reticulum?
What is the function of the sarcoplasmic reticulum?
What is the structure that resembles the endoplasmic reticulum?
What is the structure that resembles the endoplasmic reticulum?
Where does protein synthesis occur in the cell?
Where does protein synthesis occur in the cell?
What is the gel-like consistency of the cytoplasm called?
What is the gel-like consistency of the cytoplasm called?
Flashcards
Sarcoplasmic Reticulum
Sarcoplasmic Reticulum
An organelle responsible for the rapid release and uptake of calcium ions, controlling muscle contraction.
Cytosol
Cytosol
The fluid-filled part of the cytoplasm where most biochemical reactions in a cell occur.
Ribosomes
Ribosomes
Protein synthesis occurs on these structures, either freely in the cytosol or bound to the endoplasmic reticulum.
Lysosomes
Lysosomes
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Cytoplasm
Cytoplasm
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Study Notes
Cellular Organelles and Functions
- Sarcoplasmic reticulum is responsible for the rapid release and uptake of calcium ions, controlling muscle contraction.
- Most biochemical reactions occur in the cytoplasm.
- The sarcoplasmic reticulum resembles the endoplasmic reticulum in structure.
- Protein synthesis occurs in the ribosomes.
- Lysosomes function to break down and recycle cellular waste and foreign substances.
- The cytosol is the fluid contained and bounded by the plasma membrane.
- The sarcoplasmic reticulum's function is to regulate muscle contraction by releasing and uptake of calcium ions.
- The structure that resembles the endoplasmic reticulum is the sarcoplasmic reticulum.
- Protein synthesis occurs in the ribosomes, which are found throughout the cytoplasm.
- The gel-like consistency of the cytoplasm is called cytosol.
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