All of the above options are correct.
A. Bacteria are used to control mold by competing with and outcompeting mold for resources, thus preventing mold growth.
B. Bacteria are used in the process of cheese-making, where specific bacteria are added to milk to ferment lactose and produce lactic acid, which in turn leads to the coagulation and formation of cheese.
C. Bacteria can help reduce erosion by forming biofilms on surfaces, which can stabilize soil particles and prevent erosion caused by wind or water.
D. Bacteria are used in the production of some virus vaccines. For example, the bacteria Escherichia coli is commonly used to produce hepatitis B vaccine.
ow do bacteria help humans?
Answer options with 4 options
A.
Bacteria are used to control mold.
B.
Bacteria are used to make cheese.
C.
Bacteria are used to reduce erosion.
D.
Bacteria are used to make virus vaccines.
3 answers
A farmer plants alfalfa in a field to improve the soil.
How will the nodules on the alfalfa roots help improve the soil?
Answer options with 4 options
A.
The nodules store water that mixes with nitrates in the soil.
B.
The nodules store nitrogen gas until the plant needs it for photosynthesis.
C.
The nodules release ammonium from the plant metabolism back into the air.
D.
The nodules contain bacteria that convert nitrogen gas into other nitrogen compounds.
How will the nodules on the alfalfa roots help improve the soil?
Answer options with 4 options
A.
The nodules store water that mixes with nitrates in the soil.
B.
The nodules store nitrogen gas until the plant needs it for photosynthesis.
C.
The nodules release ammonium from the plant metabolism back into the air.
D.
The nodules contain bacteria that convert nitrogen gas into other nitrogen compounds.
D.
The nodules contain bacteria that convert nitrogen gas into other nitrogen compounds.
The nodules contain bacteria that convert nitrogen gas into other nitrogen compounds.