30 Questions
What is the primary function of the nucleus in a cell?
To control most cell processes and contain DNA
What is the function of nuclear pores?
To allow certain components to enter and leave the nucleus
What is the difference between prokaryotic and eukaryotic cells?
Eukaryotic cells have a nucleus, while prokaryotic cells do not
What is the role of the ribosome in protein synthesis?
To synthesize proteins
What is the function of the cell membrane?
To regulate what enters and leaves the cell
What is the term for uncoiled DNA with associated proteins?
Chromatin
What is the main idea of the cell theory?
All living things are made up of cells.
What is the purpose of the coarse adjustment knob in a microscope?
To move the stage up and down to focus the object.
What is the difference between a micrograph and a regular photograph?
A micrograph is a photo of an object seen through a microscope, while a regular photograph is a photo of an object seen with the naked eye.
What is the result of mitosis or meiosis in the formation of an organism?
The production of new cells from existing cells.
What is the purpose of the diaphragm in a microscope?
To regulate the amount of light that enters the microscope.
What is the main difference between transmission and scanning electron microscopes?
Transmission electron microscopes use electrons, while scanning electron microscopes use lenses.
Where are proteins carried to after being assembled on the rough endoplasmic reticulum?
Golgi apparatus
What is the primary function of the Golgi apparatus in protein synthesis?
Sorting and packaging proteins
What type of vacuoles help regulate water balance in an animal cell?
Contractile vacuole
What happens to the size of a plant vacuole when the plant is watered?
It increases
Where are proteins assembled in the cell?
Ribosomes
What is the function of vesicles in protein synthesis?
Transporting proteins
What is the primary function of vesicles within the cell?
To store and transport materials within the cell and to and from the external cellular environment
What is the main component of microfilaments in cells?
Actin proteins
What is the function of mitochondria in eukaryotic cells?
To generate energy for the cell through cellular respiration
What is the role of chloroplasts in plant cells?
To capture energy from sunlight and convert it into chemical energy
What is the function of microtubules in cell division?
To form the mitotic spindle during cell division
Where are mitochondria not found?
In prokaryotic cells
What occurs when there is a higher concentration of solute on one side of the cell membrane than the other?
Net movement of solute particles from the side with higher concentration to the side with lower concentration
What is facilitated diffusion?
The process of particles moving through special protein channels
What is the term for the movement of water molecules from an area of higher concentration to an area of lower concentration?
Osmosis
What is the term for the process in which a cell takes in a particle by forming a pocket around it?
Endocytosis
What is the term for the type of transport that requires energy from ATP?
Active transport
What is the term for a solution in which the concentration of solute is equal to that of the cell?
Isotonic
Test your knowledge of cell biology fundamentals, including the cell theory, types of microscopes, and characteristics of prokaryotic and eukaryotic cells. Learn about the discovery of cells and the importance of cells in living organisms.
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