An enzyme is a biological molecule that acts as a catalyst in many reactions. They speed up chemical reactions especially the reactions inside living organisms. An enzyme is made up of amino acids. They are known to be very efficient catalysts. Hope this answers the question!
Answer D) : from testing the starch by iodine
Answer:
Thyroid hormones
Explanation:
Animals and people exposed to pesticides such as insecticides, fungicides, and herbicides, have shown to be affected by their effect on the thyroid. These chemicals can produce endocrine alterations acting as thyroid disrupters. They affect many mechanisms in the organisms such as inhibition of thyroid iodine uptake, <u><em>interference with the thyroid hormone receptor</em></u>, binding to transport proteins, among others. They cause toxicity in the functioning of the hypothalamic-pituitary-thyroid axis.
There are many studies that associate thyroid diseases with exposure to organochloride pesticides. Significant alteration in the TSH, T3, and T4 levels have been expressed by people directly or indirectly exposed to the chemicals.
Answer - sea oats
Sea oats play a vital role in the development of sand dunes. The structure of their leaves and roots help in the trapping of the wind blown sand, promoting the growth of sand dunes and their stabilization. Sea oat plantation is encouraged in coastal areas to protect damage from heavy winds and high tide.
The economy of the Philippines is heavily dependent on agriculture. Most of what constitutes food security in the country depends on the agricultural sector; therefore, challenges faced by Filipino farmers and fishermen often have a detrimental effect on food security in the country.
The challenge often does not come from the quality of terrain, as seen in Djibouti. The Philippines is full of fertile lands ready to be cultivated for agriculture. It is the inconsistency of supply due to external disruptions from both controllable and uncontrollable factors that pose a challenge to food availability in the country.
The Philippines’ location in the middle of the Pacific makes the country susceptible to typhoons and droughts, some with devastating effects. Last year, a dry spell caused by the El Nino phenomenon destroyed 349,630 metric tons of crops, worth about On the other hand, the string of typhoons that ravaged the country at the end of the year notably slowed down the national agricultural growth rate
