Answer:
Hydrophillic head and a hydrophobic tail
Explanation:
Every fatty acid is composed of long chain of hydrocarbon tail. This hydrocarbon tail is nonpolar and insoluble in water. Hence this tail is labeled 'hydrophobic'.
However, the head of the fatty acid contains polar COOH group which is capable of interacting with water, hence the head is hydrophillic.
Hence, a fatty acid is composed of a hydrophillic head and a hydrophobic tail.
Answer:
A compounds
Explanation:
when carbon bonds with other elements it's termed compound.
Answer:
refrain from using or disposing of (something); retain for future use.
Explanation:
I need help please I have test tomorrow
Explanation:
Answer:
The correct answer is - to allow air and blood to escape.
Explanation:
An occlusive dressing is a dressing that involves water and airtight on the wound or the opening in first aid. It is used to protect the incision or wound to be contaminated.
In the case of the pneumothorax development, the occlusive dressing is sealed with the three-sided but the fourth side is left open so it will allow air to the escape from the pleural space and blood with the prevention of the backflow of air with inspiration.
Thus, the correct answer is - to allow air and blood to escape.
