B3-Organisation and digestion Flashcards
What are the three main enzymes?
Carbohydraze, Protease and Lipase
Where is Carbohydraze produced?
Salivary glands, pancreas and small intestine
Where is protease produced?
Stomach, panceas, small intestine
Where is lipase produced?
panceas, small intestine
What are the substrates for Carbohydraze, Protease, and Lipase?
Carbohydraze = starch
Protease = protein
Lipase = lipids
what are the products of carbohydraze
maltose, glucose
what are the products of protease
amino acids
what are the products of lipase
glycerol and fatty acids
where do carbohydraze enzymes work?
mouth , small intestine
where do protease enzymes work?
stomach + small intestine
where do lipase enzymes work?
small intestine
What are the three different tissues the stomach is made out of?
1) muscular - churn food up
2) glandlar - produces glandular tissue
3) epithelial - covers inside and outside of organ
cells-___-___-___-___
cells-tissues-organs-organ systems-organisms
name the ten organ systems?
1) immune
2) circulatory
3)respiratory
4)endocryne(hormones)
5)digestive
6)nervous
7)urinary
8)skelatal
9)reproductive
10)muscular
food test - regent used - positive result - negative result
starch-____-____-____
starch - iodine - blue/black - remains orange/brown
food test - regent used - positive result - negative result
sugar-____-____-____
sugar - benedicts - brick red - remains blue
food test- regent used - positive result - negative result
protein-____-____-____
protein - biurets - purple - remains blue
Explain what a catalyst does and why we need them?
it speeds up reactions
why are enzymes are called biological catalysts?
they increase the rate of chemical reactions
name 2 things that affect enzymes?
temperature and pH