Science Essay Examples Page 382

They accumulate inside the cells by ion trapping due to low permeability of the membranes to the dissociated species. Ion trapping requires a gradient between the external water pH and intracellular pH such that the pH of water is lower than the cytoplasm It can be seen from the experimental results that at water pH…

The platypus, apparently, is a surprisingly deep sleeper. What’s more, it spends more of its time in so-called ‘REM’ sleep than any other mammal. These are the conclusions of a study on sleep in the platypus by Jerry M. Siegel of the Sepulveda Veterans’ Affairs Medical Center, North Hills, California and colleagues. Their report appears…

The world’s human population has been growing at an exponential rate for the past hundred years and has become a major global environmental concern. The population growth has vastly increased demands for earth’s land, energy, and water resources. As a result, these elements are now in jeopardy and threaten the overall well-being of society and…

The French Revolution was a series of political, economic and social disorders which took place throughout France between 1789 and 1799. Before the revolution, France used a system called the ancien regime to govern their country. It was headed by an absolute monarch who, at this point of time, was King Louis XVI. He held…

What is your sex? Or what is your gender? Between these two questions, which is a better one? It is very hard to answer as sex and gender are very closely related. Where, Sex is basically biological, gender is actually social. Confused? To think about it, we use these two words so often that we…

The controversial issue of global warming sparks intense debate, as some individuals argue that it is an unfounded worry built upon misinformation. It can be challenging to ascertain the veracity amidst differing viewpoints. Nevertheless, it is crucial to impartially assess the evidence. One counterpoint challenging the credibility of global warming asserts that data obtained from…

Speed limits are placed everywhere amongst roads to secure each drivers safety. Near schools, school zones speed limits are placed, and active during the times that the school is open. These school zone speed limits are extended within a mile away from the school. Speed limits are much lower than average speed limits, so the…

The rapid use of computers in the recent past in my sectors of the economy has no doubt impacted on the lives of many in a big way. Consequently, the use of computers is therefore universal, with their application ranging from running a business firm, diagnosing a disease all the way to constructing and even…

The lab conducted focused on analyzing the effects of temperature on the ability of fungal and bacterial amylase to breakdown amylum to maltose, and find the temperature at which these two amylases work best, which is known as optimum temperature. The experimental portion of the lab consisted in puting up the utensils that were traveling…

The Panda’s Thumb It was attention-grabbing reading about Charles Darning’s theory on natural selection and evolution, as D. Dwight Davit’s perspective on the anatomy of a panda’s thumb. Before reading this article, I didn’t know any information regarding the structure of a panda bear’s hand, or the purpose of its phalanges. Because Darwin first studied…