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Answer:
A. Lipid A
Explanation:
The outer membrane of Gram-negative bacteria is present outside to the thin peptidoglycan layer. The outer membrane consists of lipopolysaccharide (LPS) which is the molecule having both carbohydrates and lipids.
The lipopolysaccharide has three parts out of which lipid A is the toxin one. Lipid A is embedded in the outer membrane through its fatty acids. When lipid A enters the blood stream of the host cell, it leads to septic shock. Lipid A is heat stable and highly toxic.
Answer: A
Explanation:
Central Dogma. DNA is transcripted into RNA, which is Translated into polypeptides, or protiens.
Answer: C) Reproductive system
Detailed Explanation:
Reproduction is not considered a life process because it is not necessary to maintain life. Hence, the reproductive system is not important for an individual’s survival but is important for the continuation of that species, may it be human or any other organism.
Blood typing is important in the blood transfusion.
Losing too much blood will result in death. The easiest way to prevent death by loss of blood would be doing a blood transfusion. Blood transfusion is injecting blood from other people to a patient that losing too much blood.
Human has antigen in their blood that can be recognized as a foreign object and get attacked. If you give someone a blood that has similar antigen which he has, the blood will not be recognized as foreign material. But if you do, the antigen in the blood will induce hypersensitivity reaction.