Answer:
The polarity of the phospholipid makes it ideal for a building block of cell membranes.
Explanation:
There is the tails which are hydrophobic (water fearing) and the heads which are hydrophilic (water loving). These properties of phospholipids allow the tails to go towards eachother and heads to face the water which maintains a solid structure allowing certain materials to pass through.
In interphase the dna is the form of loose threads called chromatin
Grana (plural) are stacks of flattened sacs
It's granum if it's singular
And those flattened sacs are called thylakoids, which contain chlorophyll
