<span>A cell moves particles from a region of low concentration to a region of high concentration by "Active Transport"
Hope this helps!</span>
I believe the answer is D.
Attached is Model 1. I found the exercise on the internet.
A. The portion of the molecule that's polar is the head of the molecule - phosphorus containing group plus the glycerol backbone.
The other part of the molecule has two fatty acid chains which are hydrophobic meaning that they are nonpolar.
B. Yes, it would mix well with water because polar molecules are dissolved in water perfectly. Their partly positive portion and their negative polar connect to the positive charge of the H atoms and negative charge of the O atom of the water molecules.
Phagocytosis is the engulfing of solid particle like substances by wbc which is neutrophils.
<span>the ingestion of liquid into a cell by the budding of small vesicles from the cell membrane.</span>
Explanation:
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