All plants have a cell wall, all mammals have a cell membrane. a cell membrane is semi-permeable it allows mammal cells to absorb needed nutrients, oxygen and deposit waste into the blood stream where it is excreted through urine and feces. a plant cells nutrients are absorbed through the root system and leaves, waste is excreted in the form of oxygen through the plant itself.
Meiosis is the splitting of haploid gamete cells (Sperm and Egg)
The substrate is the part that sticks into the active site of an enzyme.
Catalase is an enzyme used to accelerates chemical reactions in the human body. The performance of an enzyme depends on the pH levels. Catalase performs best at the optimum pH of 7. However, it weakens or denatures at pH levels above 10 though the range may differ on other species.
Answer: the answer is C
Explanation:
Pancreatic proteases (such as trypsin and chymotrypsin) - which help to digest proteins.