Cells
What is an organism called if it is made on only 1 cell?
Unicellular
How many organelles are in a plant cell?
6
Name one specialised cell
sperm cell, root hair cell, red blood cell...
What two types of lens are found on a microscope?
Objective and eyepiece lens
What colour are chloroplasts?
Green
Name one cell structure found in plant cells but not animal cells
Vacuole, chloroplast, cell wall
What organelles are found in animal and plant cells?
Cell membrane, nucleus and cytoplasm
What does the nerve cell do?
Carries messages/signals around the body
What is a stain?
A dye that allows you to view the cell and its structures under a microscope
What does the cell membrane control?
The entry and exit of substances to a cell
What is a cell?
The basic unit of life
Why do plant cells have a rigid shape?
Their cel wall supports the cell structure
How are root hair cells adapted to perform their funciton?
Hair structure increases surface area to absorb water
When was the cell first discovered?
1665 by Anton van Leeuwenhoek
Name all the cell structures begining with C
cell membrane, cytoplasm, chloroplast, cell wall
Where is DNA stored in the cell?
In the nucleus
What does the vacuole store?
cell sap (sugar, salt, water), nutrients
Why is it important to have specialised cells?
To perform specific functions around the body
How many specialised cells are there in the body?
What happens in the cytoplasm?
Cell reactions
How many cells fit across a hair?
10 cells
What does the nucleus control?
Cell activities
How are red blood cells adapted for their function?
No nucleus gives more space to carry oxygen
If the objective lens is 40x and the eyepiece lens is 5x. What is the total magnification?
200x
Which specialised cell has a lot of chloroplasts?