Answer:
Even after an infection is over, your immune system continues to make antibodies. Once you test positive for the bacteria, your blood will continue to test positive for months or years even after the bacteria are no longer present.
Explanation:
using brain
Answer:
The correct answer is- have diverse cell wall composition
Explanation:
Bacteria and archaea are both prokaryotes because they both lack membrane-bound nucleus and other membrane-bound organelle. There are differences between bacteria and archaea which allow their differentiation into two different domains.
One of the main difference is the difference in their cell wall. The cell wall of bacteria is made up of peptidoglycan and the cell wall of archaea is made up of pseudo-peptidoglycan.
In peptidoglycan N-acetylglucosamine and N-acetylglucosamine are the two sugars but in archaea N-acetyltalosaminuronic acid (NAT) replaces NAM.
Answer:
The requirement of different nutrients, divide them into 2 categories.
Explanation:
On the basis of requirement of nutrients in our food, the chemicals are divided into 2 types - macronutrients, and macronutrients.
Nutrients are the molecules present in the food nourishes the living organisms. The macronutrients are needed in large quantities and they provide energy to the organism.
There are 3 major macronutrients present in every kind of food - proteins, fats, and carbohydrates.
On the other hand, micronutrients are required very less amount to the animals. But they are important for nourishment of the body, but their quantity is very less. Example of micronutrients are vitamins, minerals, manganese, iron, potassium, etc.
Therefore, it is told one should take balance diet to get all the nutrients.
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