I hope this counts - cell wall! helps keep most materials out but allows specific materials to pass through. animal cells do not have a cell wall
Answer:
B: sample 4
Explanation:
This is because amino acids are basic units for proteins
They have longer periods of revolution.
Answer:
D. The reaction will release energy the organism can use to do work.
Explanation:
A negative ∆G means that the products have less free energy than their reactants. This energy had to go somewhere, it can't just disappear. That means that 255kJ of energy was released, turning into free energy for the organism to use for work.
