They are found in the cytoplasm of a cell and it is where respiration occurs.
1 of 25
Why is a copy of the gene needed?
Because DNA can not leave the nucleus.
2 of 25
How is the copied DNA taken to the ribosomes?
By Messenger RNA (mRNA)
3 of 25
What are enzymes?
Biological catalysts that speed up a chemical reaction in the body.
4 of 25
What is the Q10?
The coefficient to work out how temperature change alters the rate of reaction.
5 of 25
Ho is Q10 calculated?
Rate at higher tempreature/rate at lower tempreature.
6 of 25
What happens when there is a mutation?
Different protiens could be made because the order of the 4 bases changes.
7 of 25
Why is respiration important?
Because it releases energy from food and provides energy for different processes in the body.
8 of 25
What is ATP?
A molecule where energy is trapped and stored.
9 of 25
What is the equation for aerobic respiration?
C + H + O 6CO + 6H O
10 of 25
Which type of respiration involves oxygen?
Aerobic respiration.
11 of 25
What is anaerobic respiration?
During hard exercise when the muscles don't receive enough oxygen where glucose is turned into lactose + energy.
12 of 25
What are the disadvantages of anaerobic respiration?
Lactic acid builds up in the muscles and causes pain and it releases much less energy per glucose molecule so causes fatigue.
13 of 25
What is oxygen debt?
The incomplete breakdown of glucose resulting in the build up of lactic acid.
14 of 25
What are the advantages of being multicellular?
Allows organisms to grow larger and more complex.
15 of 25
What is mitosis?
The process that produces new cells for growth.
16 of 25
What is meiosis?
The type of cell division that produces gametes (sex cells).
17 of 25
What is plasma?
A liquid part of the blood that carries substances such as glucose, carbon dioxide, antibodies and urea.
18 of 25
How are red blood cells adapted to their function?
They are small so they can pass through small blood vessels. Their shape means they have a larger surface area to volume ratio so they can carry more hemoglobin.
19 of 25
What is haemoglobin?
The substance responsible for transporting oxygen in the blood.
20 of 25
What do arteries do?
Transport blood away from the heart to the tissues.
21 of 25
What do veins do?
Transport blood back to the heart from the tissues.
22 of 25
What do capillaries do?
Link arteries to veins and allow materials to pass between the blood and the tissues.
Comments
No comments have yet been made