Answer:
B) base
Step-by-step explanation:
Acids have a higher concentration of hydrogen ions. Bases have a higher concentration of hydroxide ions.
Answer:
Clostridium difficileis produces spores and toxins.
Explanation:
C. difficileis bacteria are found in the environment, soil, water, air, processed meats, human and animal feces.
Spores are transmitted through feces and spread to food, surfaces, and objects when infected people do not wash their hands well.
Once established, the bacteria can produce toxins that attack the lining of the intestine, the toxins destroy cells, produce plaques of inflammatory cells and decaying cell particles within the colon, causing watering diarrhea.
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Answer:
The correct answer is option A.
Explanation:
Carbohydrates are one of the important biomolecule present on the earth. they are made up of carbon(C), hydrogen(H) and oxygen (O) in 2:1 ratio.
The carbohydrates play significant roles in organisms as:
1. Source of energy : undergo breakdown to provide energy.
2. Storage form: glycogen in animals and starch in plants.
3. Structural role: cellulose in plant cell wall provide the structural hardness and rigidity to the cell wall. Cellulose is a polysaccharide formed by the polymerization of D-glucose via f β-1,4 linkage in linear fashion.
Thus, option A is the correct answer.