Common colds are caused by viruses and antibiotics only work in bacteria. Antibiotics work by targeting the different replication processes and functional characteristics of bacteria. Virus on the other hand are only active once they have invaded something to use as a host. Therefore it is more difficult to target the mechanisms of viruses because they are usually dormant and have different organelles than of bacteria.
Answer:
MOUTH:
- Food becomes moist
- Food is cut into pieces
- Food is squeezed
STOMACH:
- Proteins are broken down
- Food is mixed with acid
- Carbohydrates are broken down
I hope this helps :)
Explanation:
plz mark B R A I N L I E S T
Answer:
Less energy is transferred at each level of the food chain so the biomass gets smaller. As a result, there are usually fewer than five trophic levels in food chains.
B Glycoproteins allow a virus to recognize and attach food
A signaling pathway would need to be regulated because of efficiency, to make what you need when you need it.
Hope this helps!
