A. Earth
Geocentic, is a theory of Ptolemy. Where the Earth is the center of the solar system.
Answer: Leu (leucine)
Explanation: The mRNA code for a DNA strand of AAT is UUA. The amino acid that UUA codes for is Leu, short for leucine (I don't know if you need the full name of it).
b hfdfcvyghfxdsgyuihgfhfdrsfghjgfdsafghjkhgftdrsfghjkhgf hjkhgfdg
They are both important because mechanical has to do with physical - cause mechanical means physical, so chewing your mouth is physical (you break your food into smaller pieces physically). And then chemical digestion is when food and saliva mix together. They happen when breaking down food into nutrients - enzymes. Enzymes are important for that process, because they make a nutrient.
Hope this helps!!
