Answer:
Plasma Membrane is like all other cellular membranes, the plasma membrane consists of both lipids and proteins. The lipid bilayer (or phospholipid bilayer) is a thin polar membrane made of two layers of lipid molecules
Answer:
C...
Vitamin D-- Lack of sunlight--Brittle bones(rickets)
B...
Iron ---- Lack of sunlight, fish and eggs --- Anaemia
Increasing to decreasing Or decreasing to increasing or not constant or constant
Answer: Option B.
B.An increase in the threat of diseases caused by microorganisms and viruses
Explanation:
CD4 T cells are a special type of white blood cells that plays an important role in immune system or help to fight against Infections or foreign Invaders in the body. When the CD4 T cells is damaged or destroyed it will not be able to fight against diseases because it has lost the ability to defend against Infections, there will be increase in the thread of diseases caused by microorganisms and virus.