Cell Organelles and Functions
Describe the role of the nucleus in the cell.
Control the cell's activities and functions
The "brain" of the cell
What is an organ, and how is it related to tissues?
Composed of the tissue used to carry out a specific function
List all of the kingdoms in the Eukarya domain
Animalia, Fungi, Protista, Plantae
Why do animal cells lack a cell wall?
Animals are more flexible and are typically mobile
What is a cell?
the basic building block of all living organisms
What is the function of the cell membrane?
Protective barrier that controls what enters and exit the cell
Explain why prokaryotes cannot have organs.
Prokaryotes are unicellular.
Organisms that are found in extreme environments are _____ and they are (eukaryotic or prokaryotic)
Archaea and prokaryotic
What organelle is responsible for photosynthesis?
Chloroplast
What is the function of the vacuole?
Stores water and nutrients
What is the function of the mitochondria?
Converts ATP into energy
The "powerhouse" of the cell
What is the relationship between organs and organ systems?
Organ systems are made up of multiple organs that carry out a specific function
Give two examples of eukaryotic organisms.
Answers may vary
What is the main function of the cell wall?
Provides structural support, shape, and protects the cell
What two cell structures play a role in moving water in and out of a cell?
Cell membrane and cell wall
What is the function of the lysosome?
Breaking down waste materials
"garbage disposal"
Define tissue and give an example.
A group of similar cells that perform the same function
Example may vary
Which two domains are prokaryotic?
Bacteria and Archaea
Which organelles are only found in plant cells?
Large vacuole, chloroplast, and cell wall
What function do both chloroplasts and mitochondria perform?
They both provide energy
What role do ribosomes play in the cell?
Produces proteins
Name the six levels of organization in living things that we discussed in class in order from smallest to largest.
Cell, Tissue, Organ, Organ System, Organism, Population
What is one key difference between eukaryotic and prokaryotic cells?
Nucleus/Lack of a membrane-bound nucleus
If you are looking through a low power microscope, how can you tell if a cell is a plant cell?
It is green or you can see its rigid shape because of the cell wall
What is homeostasis?
The body trying to maintain a stable (normal) environment