1. D. observations
2. A. The egg rolled off the kitchen counter.
3. B. prediction
The pathogen that cause AIDS is B. Virus. To be specific, it's HIV (which is a virus,) that cause it.
Hope this helps :)p
C) Provide insulation.
Enzymes are catalyst, meaning that the speed up and help during chemical reaction which in turn means that they do prodvide energy to the cell, they do assist in the production of new cell parts and they also control many cell processes.
They do not provide insulation to cells, and that is the function of lipids.
Hope it helped,
BioTeacher101
