B2 - Organisation Quiz
- Created by: harrypj03
- Created on: 30-05-18 09:53
Other questions in this quiz
2. What is the function of the coronary arteries?
- Surround heart, ensuring ribs cannot damage it.
- Surround heart, giving all oxygen needed.
- Surround heart, reducing the pressure and therefore chance of a heart attack.
- Surround heart, giving it a big hug.
3. Bile is a product of the liver. What is it's role in digestion?
- Converts lipids into glycerol
- Neutralises the alkaline to make conidtions alkaline.
- Neutralises the acid to make conidtions alkaline.
- Motivates the other enzymes. Sings songs such as 'Oh when the enzymes. Oh when the enzymes. Oh when the enzymes break down the food *oh when the enzymes*
4. Why does light intensity affect the rate of transpiration?
- Light opens the stomata, allowing water to escape.
- The light creates heat which evaporates the water
- Bright lights make the plants eyes hurt so it can't see the water escaping
- Light opens the spongy mesophyll, allowing water to escape
5. Why do enzymes have an optimum pH?
- The optimum pH is the point at which the enzyme works best
- If the pH is too low or too high it can interfere with the bonds holding the enzyme togther.
- They like it neutral because neutralisation creates salt and they are salty bois
- If they didn't have an optimum pH then they would work in all conditions and that would mean there is no need for different enzymes in different places (e.g. no need for pepsin.
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