What type of cell has no nucleus?
Prokaryotic cells
What type of cell has a nucleus?
Eukaryotic cells
What are nerve cells also called?
Neurons
What do muscle cells help the body do?
Move
What makes stem cells special?
They can become different types of cells
What kingdom do most prokaryotes belong to?
Bacteria (or Eubacteria)
Name one organelle found in eukaryotic cells.
(Any) nucleus, mitochondria, ribosome, ER, Golgi apparatus
What is the main function of nerve cells?
To send and receive signals
Name one type of muscle tissue.
Skeletal, smooth, or cardiac
What can stem cells turn into?
Many different specialized cell types
What structure do prokaryotic cells lack that eukaryotic cells have?
A nucleus
What is the function of the nucleus?
Controls the cell and stores DNA
What part of the neuron carries signals away from the cell body?
Axon
Which muscle type is found in the heart?
Cardiac muscle
Where are stem cells found in the human body?
Bone marrow (also embryos, blood, etc.)
What is the name of the small circular DNA found in bacteria?
Plasmid
What organelle is known as the “powerhouse of the cell”?
Mitochondria
What part of the neuron receives signals?
Dendrites
Which muscle type is voluntary?
Skeletal muscle
What type of stem cell can become any cell type?
Pluripotent stem cells
What process do prokaryotic cells use to reproduce?
Binary Fission
What is the difference between plant and animal cells?
Plant cells have a cell wall and chloroplasts; animal cells do not
What is the gap called between two neurons?
Synapse
What structure inside muscle cells helps them contract?
Myofibrils (or actin and myosin)
Why are stem cells important in medicine?
They can repair or replace damaged cells/tissues