Answer:
MACs, or membrane attack complexes, are used in the complement system.
Explanation:
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The correct statement is :
Excretory system excretes waste materials from the body and is very important for homeostasis.
Answer: True
Explanation:
The given statement is true that the waste material that is produced inside the body needs to be excreted out.
This is an important part o the homeostasis that the waste should be excreted out of the body on time. This helps in maintaining equilibrium inside the body.
If the waste material are not excreted outside the body and remains inside the body then it cause disease inside the body.
So, the correct answer is True.
Passive transport does not use atp (energy) while active transport does. they both are used to transport molecules were there are needed.
•Burning a log of wood
•Mixing an acid with a base, producing water and a salt.
•Photosynthesis - a process in which carbon dioxide and water are changed into sugars by plants.
•Cracking heavy hydrocarbons to create lighter hydrocarbons (part of the process of refining oil).
•Cooking examples: popcorn, cake, pancakes, and eggs
