SAT II Biology M : Endoplasmic Reticulum and Golgi Body
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Example Questions
Example Question #2 : Cell Biology
Which of the following is true of the endoplasmic reticulum?
The endoplasmic reticulum is made up of membrane-enclosed spaces used for the trafficking of materials.
Both the smooth and rough ER are directly involved in protein synthesis.
The endoplasmic reticulum functions in the transport of materials destined to be endocytosed into the cell.
The smooth ER contains ribosomes which account for the smooth surface.
The rough ER is involved in metabolism and lipid synthesis.
The endoplasmic reticulum is made up of membrane-enclosed spaces used for the trafficking of materials.
The endoplasmic reticulum is made up of membrane-enclosed spaces used for the trafficking of materials that will be secreted from the cell. Therefore it is involved in exocytosis, not endocytosis. The smooth ER is involved in metabolism and lipid synthesis. The rough ER contains ribosomes accounting for its rough appearance and allowing it to be involved in protein synthesis.
Example Question #3 : Sat Subject Test In Biology
Which of the following statements about the Golgi apparatus are FALSE?
The Golgi apparatus sends vesicles to the cell surface to be exocytosed.
The Golgi apparatus produces some lipids.
The Golgi apparatus repackages contents into vesicles.
The Golgi apparatus receives vesicles from the smooth ER.
The Golgi apparatus modifies contents of vesicles.
The Golgi apparatus produces some lipids.
The Golgi aparatus does not synthesize lipids. Lipids are synthesized in the smooth ER.
Example Question #3 : Cell Biology
Which of the following accurately describes the rough endoplasmic reticulum and the smooth endoplasmic reticulum?
The rough endoplasmic reticulum and the smooth endoplasmic reticulum both have many ribosomes bound to their surfaces.
The smooth endoplasmic reticulum has many ribosomes bound to its surface, but the rough endoplasmic reticulum does not.
The rough endoplasmic reticulum has many ribosomes bound to its surface, but the smooth endoplasmic reticulum does not.
Neither the rough endoplasmic reticulum nor the smooth endoplasmic reticulum have any ribosomes bound to their surfaces.
The rough endoplasmic reticulum has many ribosomes bound to its surface, but the smooth endoplasmic reticulum does not.
The rough endoplasmic reticulum is described as "rough" because it is covered in ribosomes, which look like tiny beads along its surface. The smooth endoplasmic reticulum doesn't have these ribosomes all over its surface, so it appears flat and is described as "smooth" for this reason. The ribosomes function to make proteins.
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