Answer:
A single phospholipid molecule has a phosphate group on one end, called the “head,” and two side-by-side chains of fatty acids that make up the lipid “tails. ” The phosphate group is negatively charged, making the head polar and hydrophilic, or “water loving.” The phosphate heads are thus attracted to the water .
The UV rays cause sun spots due to reaction from the radiation.
Answer:
Hydrogen and part oxygen
Explanation:
Water is composed of these two which makes the symbol H20
Answer:
Organisms respond to a signal called a stimulus.
Explanation:
Answer:
i dont know thats a hard one
Explanation: