Answer:
In in vitro plant tissue culture, indolbutyric acid and other auxins are used to initiate root formation in a procedure called micropropagation. The micropropagation of plants is an asexual propagation or propagation technique that is based on the organogenetic potential of plant cells, which consists of cultivating in vitro on appropriate substrates, isolated cells, portions of yolk meristems, vegetative apices at the beginning of their development or microstaquillas. Small samples of plants used are called explants. Auxins such as indolbutyric acid can be used to cause mass formation of undifferentiated cells called corns. Callus formation is often used as a first step in the micropropagation process since, by exposure to certain auxin hormones, callus cells can be induced to form other tissues such as roots.
Indolbutyric acid is often used to promote the rooting of stakes. In a study in Camellia sinensis, the effect of three different auxins, indolbutyric acid, indolacetic acid and 1-naphthalenacetic acid on root formation was measured. According to the authors, indolbutyric acid produced a higher root yield compared to other auxins.9 This effect of indolbutyric acid is consistent with that found in other studies; This hormone is considered the most commonly used auxin for root formation, 10 because it is much more potent than indolacetic acid and other synthetic auxins.7
Jatropha curcas is a species in which there is an improvement in the quality of the rooting of the stakes with the addition of indolbutyric acid in the middle (longer root length, number of roots, percentage of rooted stakes, and dry root weight) , 11 although not always the effect on rooting is statistically significant.
Answer:
D- Estuary
Explanation:
estuaries are where the tide meets a stream, they happen above the water/not very deep in the water
Answer:
1)Manganese (Mn)
2)Sulfur(S)
Explanation:
Atoms of which element contain 25 protons?
It is Manganese.
The atomic number of an element is the number of proton in the nucleous of an atom of the element. Here proton= 25= atomic number.
The number of proton helps to identify the particular element. In the modern periodic table, the elements are arrange base on how the atomic number is increasing. Then Manganese has atomic number of 25.
✓Which element has an atomic number of 16?
It is Sulfur, as explained earlier, the number of pron in the atom of the sulfur element is 16.
Answer:
destruction of biodiversity.
contamination of food chain.
lack of potable water.
mortality
diseases
