1. Why are red blood cells concave?
- So lots can fit next to each other
- They all get pressed by the heart
- Large surface area to absorb oxygen and to glide smoothly in the capillaries
- The have no nucleus so are smaller
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Other questions in this quiz
2. Why do root hair cells have a large permanent vacuole?
- To speed up the process of osmosis from the soil to the cell
- To store the cell from the plant
- Every cell does
- So more energy is released
3. How do sperm digest through the egg cell membrane?
- They carry enzymes
- They come at a fast pace so the momentum breaks the egg
- Their heads are pointed
- Th egg cell membrane dissolves in contact with the sperm
4. Where are cone cells found?
- Next to the xylem in a stem
- everywhere, they're in the blood!
- light sensitive layer of your eye (retina)
- surrounding your major muscles
5. What is found at the end of a cone cell?
- The rest of the cell membrane
- The synapse to connect to the nerve cells in the optic nerve
- Many mitochondria fro energy to reform the visual pigment
- The nucleus