Answer:
<em>The correct option is D) too few workers to support an aging population</em>
Explanation:
A positive population growth can be referred to as a situation when the population of a country is rising.
A negative growth population is referred to as a situation when the population of a country is becoming lesser. As a result of this negative population growth trend, there will be fewer workers to support the aged people. Also, there will be lesser people working for the economy of the country.
<span>Which types of foods contain which types of macromolecules? Is one type of macromolecule healthier to eat than another? Why do you think so?</span>
Answer:
The loading dose of N-acetylcysteine is 8,700 mg (150 mg per 55 kilograms).
The complete cycle of treatment with N-acetylcysteine comprises 3 consecutive intravenous infusions, distributed as follows:
1 infusion: Initial dose of 150mg / kg of body weight in 200 ml of solution to pass in one hour.
2 infusion: 50 mg / k of weight in 500 ml of solution to pass in 4 hours
3 infusion: 100mg / kg of weight in 1000ml to pass in the following 16 hours.
Answer:
All organisms require sulfur as a macro-nutrient. (Ans. E)
Explanation:
Sulfur is necessary for all living things. It is taken up in the form of sulfate from the soil and sea water by the plants, and algae.
Sulfur is known as the essential nutrient for plant growth. Sulfur playing various important role in plants. About 90% of the sulfur is absorbed by the plants for the purpose of amino acids synthesis, known as the building blocks of proteins. Sulfur is important for the enzyme which is helping in the formation of the chlorophyll molecule. Sulfur is essential for the synthesis of oil crops.
In human body sulfur playing some essential role such as amino acid production which is converting into proteins and producing enzymes. Sulfur is important for insulin production, insulin allow the cells to use glucose as energy. Sulfur is found in most important antioxidant known as glutathione, which helping in the inhibition of oxidation of the other molecules and preventing from cell damage. Collagen provide skin strength and structure, sulfur is important for collagen synthesis as well.
