15 Questions
Which type of cell is encased by a cell wall and lacks organelles?
Prokaryotic cell
What is the main difference between prokaryotic and eukaryotic cells?
Presence of a nucleus
How many linear chromosomes do eukaryotic cells typically have?
Multiple
What is the function of organelles in a eukaryotic cell?
Break down food particles
Which statement is true about unicellular organisms?
They are all microscopic
What are the three main principles of cell theory?
- All organisms are composed of one or more cells. 2. The cell is the basic unit of structure and organization in organisms. 3. All cells come from pre-existing cells.
What characteristic distinguishes eukaryotic cells from prokaryotic cells in terms of genetic material?
Linear chromosomes
Describe the difference between unicellular and multicellular organisms.
Unicellular organisms are single-celled, while multicellular organisms contain many different types of cells, each with specialized functions.
Explain the role of a nucleus in eukaryotic cells.
The nucleus is a membrane-bound central cavity that houses the cell's genetic material.
What are the key features of prokaryotic cells?
Prokaryotic cells are much smaller than eukaryotic cells, lack a nucleus, and do not have membrane-bound organelles.
How do organelles in eukaryotic cells contribute to cellular function?
Organelles, like the organs of our body, have unique functions that contribute to the overall function of the cell.
What distinguishes eukaryotic cells from prokaryotic cells in terms of genetic material?
Eukaryotic cells have multiple linear chromosomes, while prokaryotic cells have a single circular chromosome.
What is the function of the cell wall in prokaryotic cells?
The cell wall provides structural support and protection to prokaryotic cells.
Why are most cells considered microscopic and not visible to the naked eye?
Most cells are microscopic due to their small size, which is below the resolution of the naked eye.
What are the two domains to which prokaryotic cells belong?
Prokaryotic cells belong to the domains Bacteria and Archaea.
This quiz covers the fundamental principles of cell theory, including the composition of organisms, the structure and organization of cells, and the concept of cells arising from pre-existing cells. Explore the building blocks of all organisms and the characteristics of unicellular and multicellular organisms.
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