30 Questions
What is the primary function of the cytoskeleton in a cell?
To maintain structural integrity
Which organelle is responsible for generating energy for the cell through cellular respiration?
Mitochondria
What is the term for the living substance of a cell?
Protoplasm
What is the function of lysosomes in a cell?
To remove waste products
What percentage of a cell's machinery is dedicated to making proteins?
A large percentage
What is the approximate number of cells in the human body?
75 trillion
What is the primary function of the cytoskeleton in a eukaryotic cell?
To provide a structural framework
Which organelle is responsible for removing waste products from the cell?
Lysosomes
What is the primary role of microtubules in a eukaryotic cell?
To transport vesicles and organelles
Which of the following is NOT a primary process of a eukaryotic cell?
Photosynthesis
What is the primary function of the nucleolus in a eukaryotic cell?
Synthesis of ribosomal RNA
What is the main difference between euchromatin and heterochromatin?
Euchromatin is involved in transcription, while heterochromatin is not
What is the primary function of mitochondria in a eukaryotic cell?
To convert glucose to ATP
Which of the following is a function of intermediate filaments?
To provide mechanical support
What is the role of the nuclear pore in the nuclear envelope?
To control the movement of molecules in and out of the nucleus
What is the final destination of mRNA after it is transcribed from DNA?
The ribosomes in the cytoplasm
What is the main function of importins and exportins in the nuclear envelope?
To transport molecules into and out of the nucleus
What is the primary function of the endoplasmic reticulum and Golgi apparatus in protein synthesis?
To fold and package protein
What is the primary difference between eukaryotic and prokaryotic cells?
Prokaryotic cells lack a true nucleus
What is the primary function of the major cellular organelles?
To perform specific cellular functions
What is the term for the study of the structure and function of cells?
Histology
What is the name of the bacterium that was discovered to cause most peptic ulcers?
Helicobacter pylori
What is the importance of understanding the basic structure and function of a eukaryotic cell?
All of the above
What was the previous thought on the cause of peptic ulcer disease and gastritis before 1982?
Stress and lifestyle factors
What is the primary function of the Rough Endoplasmic Reticulum?
Synthesis and modification of proteins
What is the main difference between Rough Endoplasmic Reticulum and Smooth Endoplasmic Reticulum?
Presence of ribosomes on the surface
What is the role of the Golgi Complex in protein synthesis?
Modification and packaging of proteins
What is the main function of the Endoplasmic Reticulum as a whole?
Synthesis, storage, and transport of macromolecules
Where do proteins synthesized in the Rough Endoplasmic Reticulum eventually go?
Golgi Apparatus
What is the largest membranous system in a cell?
Endoplasmic Reticulum
Test your knowledge of cells, microorganisms, and their structures and functions. Learn about the different types of cells, their components, and the various microorganisms like bacteria, archaea, fungi, and more.
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