Answer:
Both plant and animal cells have a nucleus and chloroplast where protein synthesis takes place.
We have been able to see more of the cell in detail. We dont have to guess about things because we can see how it works. The more we see the more theories change because we know more.
Answer:
The return of blood to the heart is assisted by the action of the skeletal- muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.
Answer:
As nouns the difference between pathogenesis and pathogenicity. is that pathogenesis is the origin and development of a disease while pathogenicity is the quality or state of being capable of causing disease.
The compounds present in plants that, in a way, assist in the absorption of light during the process of photosynthesis, are accessory pigments. As their name suggests, they act as helpers or assist chlorophyll in absorption of light. These may be chlorophyll variants or other classes.
