Answer:
5 Million Years Ago
Explanation:
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Enzymes are biocatalysts which increase the rate of biochemical reactions without undergoing any change themselves. It binds to the substrate forming the enzyme substrate complex and forming the product. The acceleration factor of enzymes is the factor by which the enzyme increases the rate of the reaction.
Pepsin and trypsin are enzymes involved in the breakdown of proteins in the stomach and the small intestine respectively. Enzymes function best at a particular pH called the optimum pH. Pepsin is found in the stomach with an acidic environment and function best at a pH range of 2-3. Small intestine has a pH between 7-8 and Trypsin secreted by the pancreas into the small intestine functions best at a neutral or slightly alkaline pH of 7-8. Thus, the catalytic activity of the enzymes is maximum at its optimum pH.
<span>Describing how is the cells group </span>is the process of multiplication of cell or the so-called cell division, mitosis.<span> This mechanism of each cell produces another cell that binds together and produces again, repeatedly, to be a larger system called now the tissue as explained earlier.</span>How? Through cell division called, mitosis<span>. Excerpt </span>meiosis –cell division specifically in the sex cells.<span>
They are labelled as daughter cells.
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Photosynthesis takes place in the chloroplasts
Please rephrase the question, it doesn't make sense.
