The process of cellular differentiation is a direct result of a differiental
Mass transit can help reduce air pollution in urban cities because there are fewer cars on the roads, creating less pollution.
Answer:
c
Explanation:
because the solid ice will sublime into gas
Answer:
True
Explanation:
Bacteria generate toxins which can be classified as either exotoxins or endotoxins. Exotoxins are generated and actively secreted; endotoxins remain part of the bacteria. Usually, an endotoxin is part of the bacterial outer membrane, and it is not released until the bacterium is killed by the immune system.Most viral infections eventually result in the death of the host cell. The causes of death include cell lysis, alterations to the cell's surface membrane and various modes of programmed cell death. Some viruses cause no apparent changes to the infected cell.
Answer:
Increasing the number of trusses increases the strength of the bridge.
Explanation:
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