15 Questions
Which organelle is responsible for ribosomal RNA (rRNA) synthesis?
Nucleus
What is the main function of the endomembrane system?
Communication by means of transport vesicles
Which organelle is the control center of the cell?
Nucleus
What is the structure that controls the passage of materials between the nucleus and cytoplasm?
Nuclear membrane
What is the function of the endoplasmic reticulum?
Protein synthesis
What is the function of the nucleolus?
Site for ribosomal RNA (rRNA) synthesis
What is the role of the nuclear pores in the nucleus?
Control the passage of materials between the nucleus and cytoplasm
Which organelle consists of a double membrane separated by perinuclear space?
Endoplasmic reticulum
Which organelle is rich in RNA and basic proteins, and has no membrane?
Nucleolus
What is the main function of the endomembrane system?
Protein synthesis
What is the main function of the nucleolus?
Synthesizing ribosomal RNA (rRNA) in the nucleus
Which organelle consists of a double membrane separated by perinuclear space?
Nucleus
What is the function of the endoplasmic reticulum?
Synthesizing proteins and lipids
Which organelle is responsible for ribosomal RNA (rRNA) synthesis?
Nucleus
What is the main function of the endomembrane system?
Synthesizing and transporting proteins and lipids
Study Notes
Cellular Organelles
- Ribosomal RNA (rRNA) synthesis occurs in the nucleolus.
Endomembrane System
- The main function of the endomembrane system is to modulate cellular transport and storage.
Cell Control Center
- The nucleus is the control center of the cell.
Nucleus-Cytoplasm Interaction
- The nuclear envelope is the structure that controls the passage of materials between the nucleus and cytoplasm.
Endoplasmic Reticulum
- The endoplasmic reticulum is responsible for protein synthesis, folding, and transport.
Nucleolus
- The nucleolus is the site of ribosomal RNA (rRNA) synthesis and ribosome assembly.
Nuclear Pores
- Nuclear pores regulate the passage of molecules between the nucleus and cytoplasm.
Nucleus Structure
- The nucleus consists of a double membrane separated by perinuclear space.
Nucleolus Characteristics
- The nucleolus is rich in RNA and basic proteins and has no membrane.
Cellular Transport
- The endomembrane system modulates cellular transport and storage.
Nucleolus Function
- The nucleolus is responsible for ribosomal RNA (rRNA) synthesis.
Cellular Structure
- The nucleus consists of a double membrane separated by perinuclear space.
Test your knowledge about the endomembrane system and organelles' structure and function with this quiz based on the lecture by Assistant Professor Amira Afify at Cairo University.
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