What is a tissue?
A group of different organs
A group of the same type of cell
A group of different types of cells
What is an organ?
A group of the same tissues
A group of the same cellls
A group of different tissues
Why type of cell division does a zygote divide and grow by
Meiosis
Mitosis
Embryonic Stem Cells can specialise to become anything
Stem cells are specialised by...
All genes being on
All genes being off
Genes being switched on and off
What can adult stem cells specialise into? (Pick 2)
Skin cells
Red blood cells
Nerve cells
White blood cells
Select parts of a cell which are present in a plant cell but not in a human cell
Mitochondria
Cell wall
Cytoplasm
Nucleus
Vacuole
Chloroplast
What is negative phototropism
Shoots growing towards the light
Roots growing towards the light
Roots growing away from the light
Auxins are a growth hormone in humans
Meiosis happens in...
All cells
Reproductive cells
Name the type of cell division used by meristem cells?
DNA is a ...
Single Helix
Triple Helix
Double Helix
Base pair A pairs with...
T
C
G
Base pair C pairs with ...
A
3 bases in the DNA code for ....
A single amino acid
A sperm
An egg cell
