15 Questions
Which organelle is surrounded by a membrane and contains enzymes?
Lysosomes
What is the function of the cell membrane?
Defining the boundary of the cell
Which stain can be used to demonstrate the cell membrane under light microscopy?
Silver
How does the cell membrane appear under electron microscopy?
As three layers: outer electron dense, middle electron lucent, and inner electron dense
Which organelle is NOT surrounded by a membrane and does NOT have enzymes?
Ribosomes
What is the fundamental unit of structure and function in all living organisms?
Cells
Which branch of biology focuses on the study of plants?
Botany
What are the core objectives of learning Cell Biology?
Understanding the structures and functions of cells
Which cellular component is responsible for generating and utilizing energy in cells?
Mitochondria
Which scientist is known for his quote 'Life Begins with Cells'?
Walter Gilbert
Which of the following aspects of cell biology is NOT covered in the core objectives of learning Cell Biology?
The genetic makeup of prokaryotic and eukaryotic cells
Which branch of Biology is NOT listed as a sub-branch of Biology in the provided text?
Physiology
Which scientist is NOT mentioned in the text as a molecular biology pioneer and Nobel Prize laureate?
Paul Nurse
What is the credit value of the CELL BIOLOGY: Fundamental Unit module?
8
Which type of session is NOT mentioned as part of the CELL BIOLOGY: Fundamental Unit module?
Workshops (industrial settings)
Study Notes
Cell Structure
- Eukaryotic cells consist of two main components: cytoplasm and nucleus.
Cytoplasm
- Cytoplasm is a jelly-like substance located between the cell membrane and the nucleus.
- It is composed of three main components: cytosol, inclusions, and organelles.
Cytosol
- Cytosol is a gel-like structure within the cytoplasm.
- It is composed of soluble proteins and enzymes.
Inclusions
- Inclusions are intracellular non-living substances.
- They are temporary, not essential, and metabolically inert.
- Examples of inclusions include water-containing vacuoles, lipids, and pigments of hair cells.
Organelles
- Organelles are living intracellular structures with specific vital functions.
- They are permanent, essential in all nucleated cells, and metabolically active.
- Organelles have vital functions and are found in all nucleated cells.
Test your understanding of cell biology with a focus on the cytoplasm and cell membrane. This quiz covers the definition of cytoplasm, its components, and its role in eukaryotic cells.
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