16 Questions
What is the first principle of cell theory?
All living organisms are made of cells
Which scientist stated that all animal tissues are composed of cells?
Rudolf Virchow
Which type of cells consist of organisms in the domains Bacteria and Archaea?
Prokaryotic cells
Who discovered cells in a piece of cork in 1838?
Robert Hook
What is the structural and functional unit of all living things?
Cell
Which scientist first observed and described magnified living things by a simple microscope?
Anton van Leeuwenhoek
Which of the following is a characteristic of all cells?
Semifluid substance called cytosol
What distinguishes the genetic material of prokaryotic and eukaryotic cells?
Location in the nucleus
In which type of cell does cellular respiration occur in mesosomes?
Prokaryotic cells
What is a common feature of the genetic material in prokaryotic and eukaryotic cells?
Association with histone proteins
What is the main difference in cell division between prokaryotic and eukaryotic cells?
Type of division (binary fission vs. mitosis/meiosis)
Which type of cell contains membrane-bound organelles?
Eukaryotic cells
What is a characteristic of the genetic material in prokaryotic cells?
Nucleoid with histone proteins
Where does cellular respiration occur in eukaryotic cells?
Mitochondria
What distinguishes the cell wall composition of prokaryotic and eukaryotic cells?
Composed of cellulose or chitin
What is a unique feature of flagella in eukaryotic cells?
Presence of spindle fibers
Study Notes
Cell Theory
- The first principle of cell theory states that all living organisms are composed of one or more cells.
Cell Composition
- All animal tissues are composed of cells, as stated by Theodor Schwann.
Types of Cells
- Cells that consist of organisms in the domains Bacteria and Archaea are prokaryotic cells.
Discovery of Cells
- In 1838, Matthias Jakob Schleiden discovered cells in a piece of cork.
Structural and Functional Unit
- Cells are the structural and functional unit of all living things.
Microscopy
- Antonie van Leeuwenhoek was the first to observe and describe magnified living things using a simple microscope.
Cell Characteristics
- A characteristic of all cells is that they are the basic units of life.
Genetic Material
- The genetic material of prokaryotic cells is not membrane-bound, distinguishing it from eukaryotic cells.
- The genetic material in prokaryotic cells is a single circular chromosome.
- A common feature of the genetic material in prokaryotic and eukaryotic cells is that it is made up of DNA.
Cellular Respiration
- In prokaryotic cells, cellular respiration occurs in mesosomes.
- In eukaryotic cells, cellular respiration occurs in mitochondria.
Cell Division
- The main difference in cell division between prokaryotic and eukaryotic cells is that prokaryotes undergo binary fission, while eukaryotes undergo mitosis and meiosis.
Cell Structure
- Eukaryotic cells contain membrane-bound organelles.
- The cell wall composition of eukaryotic cells is typically composed of cellulose, distinguishing it from prokaryotic cells which have peptidoglycan cell walls.
- Flagella in eukaryotic cells are unique in that they are composed of microtubules and are larger than prokaryotic flagella.
Test your knowledge on cell structure, functions, and the principles of cell theory with this quiz covering the content from Chapter 2 of Biology. Explore topics such as prokaryotic and eukaryotic cells, cell theory, and the importance of cell structure and functions.
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