Preterm Birth

Preterm Birth

Preterm birth refers to the birth of babies who are less than 37 weeks in the womb. It is commonly called premature birth. This is the major cause of neonatal mortality in developed countries. That is because they have high risk of death in the first year of life. They have several health problems that occur in this period.

The most common problem is respiratory problem. That is because lung is one of the last organs which develop in pregnancy. A common respiratory problem for them is respiratory distress syndrome (RDS). According to Martin J.A in Final Data for National Statistic Report, about 23.000 babies a year, most of them are born before the 34^th week of pregnancy, suffer from this breathing problem. Babies with RDS lack a protein called surfactant. It keeps small air-sac, alveolus, in the lungs from collapsing. Treatment with surfactant helps them breathe more easily. However, the sickest baby needs the help of a ventilator to breathe while their lungs mature.

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Explanation Essay

Photosynthesis

Plants are able to convert water and carbon dioxide to be their food, organic compound, especially sugar by using sunlight energy. The process of converting is called photosynthesis. Photosynthesis involves two reactions: light reaction and light-independent reaction.

The first reaction is the light reaction which is also called light-dependent reaction. This reaction occurs in thylakoid membrane of the chloroplasts. It uses light energy to synthesize ATP and NADPH, the form of energy that is ready to be used by plants and humans. In this case, plants use ATP and NADPH to provide energy for the next reaction. The equation for the light-dependent reactions is:

2 H₂O + 2 NADP⁺ + 3 ADP + 3 P_i + light → 2 NADPH + 2 H⁺ + 3 ATP + O₂

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Analytical Exposition Essay

Unwise Decision

            Indonesia, our beloved country, is economically in deficit condition. As the result, our government makes a decision in order to keep the expense in balance. Their decision is controversial. It is about the increase in electricity basic price for industrial.  This increase means the suspension of government subsidy. Since the purpose of subsidy is to help poor people, and industrial does not belong to this group, they think their decision is in straight line. Actually, the basic price of electricity for industrial should not be increased to reduce government expense.

           

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