<span> Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.</span>
Answer:
37oC - temperature
It is important that the temperature is controlled because it maintains consistency and safety.
Explanation:
-Temperature is a common type of controlled variable.
-A control variable is anything that is held constant or limited in a research study
Answer:
A proteins coated with phospoholipids
Explanation:
Because proteins are large component and passing through a cell membrane that have large size is hard. But if you have similar quality with the cell membrane, it can pass through so that the pharmacy industry use this technique for hormones etc.
