Three weeks is how long a human can live without food
Answer:
Angiosperm
im not sure what this means lol but i remember reading it somewhere
Its d the cell wall. The plant cell contains a cell wall that is absent in a animal cell.
Answer: b. reaction 3
Explanation: When an enzyme is present in a reaction acts as a catalyst, increasing velocity of reaction and decreasing the activation energy, when not present an enzyme the reaction velocity is very low and implies high activation energy, being unfavorable to the system