Stomach ulcer is an open sore appearing in the inner layer (mucosa) of the stomach, which causes dull or burning pain in the upper middle abdomen during or shortly after the meal; avoiding eating and losing weight may follow.
Auxins are a type of hormone, or growth substance, acquired from plants. Plant hormones are molecules manufactured by plants to accelerate, inhibit or modify its growth.In plants, growth occurs during cell division, cell elongation and cell differentiation.uxin, or indoleacetic acid (iaa), carries a very proficient relation to growth. It is in the midst of the most typical plant hormones and continues to be isolated from numerous plants. Studies with the response of plants to light, phototropism, are what led into the discovery and isolation of auxins.
A pH difference between the cell wall (acidic at about pH 5) and the cytoplasm (pH 7) contributes to auxin transport. In the pH 7 environment of the cell, auxin is an anion. (1) When auxin encounters the acidic environment of the wall, the molecule picks up a hydrogen ion to become electrically neutral.