Which type of endoplasmic reticulum stores calcium ions used in muscle
contractions?
Nucleoplasmic reticulum
Sarcoplasmic reticulum
Smooth ER
Rough ER
What is the appearance of rough endoplasmic reticulum (RER) under an electron
microscope?
Rough
Spherical
Smooth
Tubular
Which organelle is primarily responsible for detoxification processes in liver cells?
Golgi apparatus
RER
Mitochondria
Smooth endoplasmic reticulum
What is the main function of rough endoplasmic reticulum (RER)?
Calcium storage
Protein synthesis
Carbohydrate metabolism
Lipid synthesis
In which type of cells is smooth endoplasmic reticulum (SER) found more
abundantly?
Red blood cells
Nerve cells
Epithelial cells
Muscle cells
The synthesis of which type of lipids occurs in smooth endoplasmic reticulum (SER)?
Phospholipids
Cholesterol
Triglycerides
Steroids
Which of the following organelles has ribosomes attached to its cytoplasm-facing
surface?
SER
Mitochondria
RER
Golgi apparatus
What cellular process does the release of calcium ions from smooth endoplasmic
reticulum (SER) trigger?
Cellular respiration
Muscle contraction
Cell division
Protein synthesis
Which organelle is continuous with rough endoplasmic reticulum (RER)?
Smooth endoplasmic reticulum (SER)
Mitochondria
Golgi apparatus
Lysosomes
What is the main function of smooth endoplasmic reticulum (SER)?
DNA replication
Carbohydrate metabolism
Protein synthesis
Lipid synthesis
