Answer: The statement is TRUE.
Explanation:
Gram negative bacteria is a type of bacteria that possesses, from the interior to the exterior, a cytoplasmic membrane, a thin peptidoglycan layer, and an outer membrane containing lipopolysaccharide. The lipid portion of the lipopolysaccharide complex of the outer layer acts as an ENDOTOXIN.
The endotoxin of the gram negative bacteria can be detected in research or biomedical laboratories through a technique called LIMULUS AMEBOCYTE LYSATE test.
The test procedure follows a principle that the endotoxin of these gram negative bacteria are capable of forming gel clots (coagulation) of blood cell (amoebocytes) lysates of the Limulus polyphemus crab.
Therefore, If LAL (limulus amebocyte lysate) turns into a gel when exposed to a sample, it
means the sample is contaminated with endotoxins of gram-negative bacteria.
Meiosis is a special type of cell division that reduces the chromosome number by half whereas Mitosis is a part of the cell cycle when replicated chromosomes are separated into 2 new nuclei.
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Answer:
When two hydrogens and an oxygen share electrons via covalent bonds, a water molecule is formed. An example of a simple chemical reaction is the breaking down of hydrogen peroxide molecules, each of which consists of two hydrogen atoms bonded to two oxygen atoms (H2O2).
Answer:
Humans gain more energy from eating the plants rather than the cow.
Explanation:
More consumers in a chain of eating means less energy reaches the final consumer. Approximately 10% of the energy from food is given to the consumer when eaten, and this chain continues down the line of consumers. This is known as the 10% rule in biology. This rule is used by an ecosystem to limit the amount of animals it can support.