science revision Flashcards
what is the function of the nucleus
genetic information that controls the function of the cell
is a nucleus in a prokaryotic bacteria cell
no just in the animal and plant cell
what is the function of the cell membrane
controls what enters and leaves the cell
what is magnification
size of image divide size of real object
what is the structure of a sperm cell
acrosome contains enzyme to break into egg a tail to swim and many mitochondria to provide energy to swim
what is a tissue
a group of cells with a similar structure and function
what is a organ
a group of tissues performing a specific function
what is an organ system
a group of organs that performs a specific function
what does amylase do
breaks starch into sugars
what is the job of a protease
breaks proteins into amino acids
what is the job of lipase
breaks lipids into fatty acids and glycerol
what is the colour of starch
orange/brown solution
what is the purpose of an artery
takes blood away from the heart
