Skip to content

Get Revising

6. Why do root hair cells have a large permanent vacuole?

To speed up the process of osmosis from the soil to the cell
So more energy is released
To store the cell from the plant
Every cell does

7. Where are cone cells found?

light sensitive layer of your eye (retina)
everywhere, they're in the blood!
surrounding your major muscles
Next to the xylem in a stem

8. How do sperm digest through the egg cell membrane?

Their heads are pointed
Th egg cell membrane dissolves in contact with the sperm
They carry enzymes
They come at a fast pace so the momentum breaks the egg

9. Why do sperms have 'heads'?

So they go fast
It contains the nucleus with the genetic information to be passed on
To guide them to the eggs
It contains the mitochondria so energy is released for movement

10. Which of these is not an adaptation of the palisade leaf cell?

Thin shape so many can be packed next to each other
Many chloroplasts for photosynthesis
Contain many stomata for transpiration
Tall shape so large surface area to absorb CO2

11. Where is fat stored?

It's not stored, it's burnt off from exercise
Butter
Fat cells
Around our muscles for insulation