Answer: All plasma membrane surfaces are hydrophilic. In comparison, because of the fatty acid tails, the interior of the membrane between its two surfaces is a hydrophobic or nonpolar region. The main fabric of the membrane is composed of two layers of phospholipid molecules. The hydrophilic or "water-loving" areas of these molecules are in contact with the aqueous fluid both inside and outside the cell. Hydrophobic, or water-hating molecules, tend to be non-polar.
Explanation:
Answer:
Maturation is the development of the individual through growth processes. It is controlled by internal biological factors. ... A child's learning to walk may be attributed to maturation because the child learns to walk when reaching a particular stage in development.
Explanation:
Answer:
Barry would most likely experience trypanophobia.
Explanation:
Trypanophobia is the fear of various medical procedures, in this case, of needles. Barry is afraid of injections, or a sharp object (like a needle) piercing his skin, regardless of how harmless it may be. He may have had a negative experience in hospitals or just involving sharp objects in his past that made him develop this phobia in the present.
He may experience various symptoms when exposed to a doctor's needle, including dizziness, panic attack, racing heart rate, anxiety, trying to run away from the needle, etc.
