Biology - key concepts Flashcards
(8 cards)
1
Q
what is an enzyme?
A
An enzyme is a biological catalyst. It speeds up reactions in your body and helps break down certain substrates, such as lipase (which breaks down fat), amylase (carbohydrates, starch), and protease (proteins).
2
Q
where are enzymes created?
A
the pancreas
3
Q
what do plant cells have that animal cells don’t?
A
any of: chloroplast, cell wall, and vacuole
4
Q
which two places will you find ciliated epithelial cells?
A
The oviducts and lungs
5
Q
what enzyme breaks down lactose?
A
lactase breaks lactose down into glactose and glucose
6
Q
what enzyme breaks down proteins?
A
protease breaks proteins down into amino acids
7
Q
what does amylase break starch down into?
A
maltose then glucose
8
Q
what enzyme breaks down fats
A
lipase breaks fats down into fatty acids and glycerol
