Biology 21-30 Flashcards
1
Q
- What is the test to check if protein is present
A
Add biuret reagent. Should turn from blue to purple
2
Q
- Describe the test for sugars?
A
Add benedict’s reagent and heat.
If sugar is present turns orange or red
3
Q
- What are the molecules that make up a lipid?
A
3 Fatty Acid molecules and Glycerol
4
Q
5.Where does aerobic respiration occur in the cell?
A
Mitochondria
4
Q
- State the word equation of aerobic respiration.
A
Glucose + Oxygen →Carbon dioxide + Water
5
Q
8.What is the word equation for anaerobic respiration in animals.
A
Glucose → Lactic acid
5
Q
- State the balanced symbol equation for aerobic respiration
A
6O2 + C6H12O6 → 6H2O + 6CO2
6
Q
9.State an effect on your body after anaerobic respiration.
A
Muscle fatigue caused by lactic acid
6
Q
- Is respiration endothermic or exothermic?
A
Exothermic
7
Q
10.Why do you still breathe heavily after exercise?
A
To break down the lactic. You repay the oxygen debt
