Cours 1 Flashcards
What is the main function of the nucleus in a eukaryotic cell?
The nucleus houses genetic material and regulates cellular activities.
What are the components of the nuclear envelope?
The nuclear envelope consists of two lipid bilayers.
What is the role of the nucleolus?
The nucleolus is involved in ribosome production.
Define chromatin.
Chromatin is the complex of DNA and proteins found in the nucleus.
What is meiosis?
Meiosis is the process of cell division that produces gametes.
Fill in the blank: The process of sperm formation is called _______.
[Spermatogenesis]
Fill in the blank: The process of egg formation is called _______.
[Ovogenesis]
What are the main molecular mechanisms involved in cell reproduction?
Molecular mechanisms include DNA replication and protein synthesis.
What is the significance of the cell cycle?
The cell cycle ensures proper division and function of cells.
List the main phases of the cell cycle.
- Interphase
- Mitosis
- Cytokinesis
What is the relationship between mitosis and cytokinesis?
Mitosis is the division of the nucleus, while cytokinesis divides the cytoplasm.
Describe the importance of experimental approaches in cellular biology.
Experimental approaches help construct knowledge and validate theories.
What does diversity in biology refer to?
Diversity in biology refers to the variety of life forms and their interactions.
True or False: The nuclear envelope is permeable to all molecules.
False
What is chromatin’s structure and dynamics?
Chromatin’s structure varies between euchromatin and heterochromatin, affecting gene expression.
