Answer: 1. The digestive power of pepsin is greatest at the acidity of normal gastric juice (pH 1.5–2.5). 1.0–2.0
The optimum pH for pepsin activity of 1.0–2.0 is maintained in the stomach by HCl. When the pH of the medium increases to values greater than 3.0, pepsin is almost completely inactivated. 2. The optimum pH for the enzymatic activity of salivary amylase ranges from 6 to 7. Above and below this range, the reaction rate reduces as enzymes get denatured. The enzyme salivary amylase is most active at pH 6.8. around 7
Salivary α‐amylase has a short‐lived action. In fact, it is swallowed with chewed food and subsequently inactivated by extremely low gastric pH; amylase in fact has an optimal pH around 7, and the pH of saliva is generally between 6.4 and 7.0.
Explanation:
Answer:
Charles Darwin
Explanation:
<em>Charles Darwin, a nineteenth-century biologist, studied the notion of natural selection. Natural selection shows how hereditary features of a species can change and evolve. This may result in speciation, the development of a separate new species.</em>
Answer:
The correct answer is - option A.
Explanation:
Elephant populations are currently declining lapidary. Human influence is the main and major reason that leads to such a population decline of the elephants. The habitat loss, environmental change, and killing for human safety are the few reasons that affect the population of the elephant, but the major and most responsible cause of the killing and decrease in the elephant population is killing for the ivory of elephants,
Elephant ivory is very expensive and use for making jewelry, artifacts and many more items even illegal medicines are made by ivory.
Thus, the correct answer is option - A.
They would fall in the clumped or even category
