The mouth is the beginning of the digestion tract , our mouth also produces enzymes to begin the process of digestion
Explanation:
cAMP binds to protein kinase A and activates it, allowing PKA to phosphorylate downstream factors to produce a cellular response. cAMP signaling is turned off by enzymes called phosphodiesterases, which break the ring of cAMP and turn it into adenosine monophosphate (AMP).
It would be convection because it isnt having any physical collision which rules out conduction and it is going through mid air which rules out evaporation and radiation
Answer:
Polyploid cells have more than 2 sets of each chromosome. Hope that helped! :)