Unit 1 - Cells Flashcards
How do you calculate magnification?
Magnification = Image Size ÷ Actual Size
What is a eukaryotic cell?
A cell that has a nucleus
What is a prokaryotic cell?
A cell without a nucleus
What are the 4 specialised cells in plants?
Root Hair Cell
Palisade Cell
Xylem Cell
Phloem Cell
What is transpiration?
The evaporation of water from the leaves
What is translocation?
The transport of sugars through the phloem
How can you tell if a cell is an animal cell?
No Cell Wall
No Vacuole
No Chloroplasts or Chlorophyll
What is a stem cell?
A stem cell is an undifferentiated cell
What are 2 key features of stem cells?
- They can divide by mitosis
- Able to differentiate into specialised cells
What are the two human stem cells?
Adult Bone Marrow
Human Embryos
Where are plant stem cells found?
Meristem