The correct answer for this question is letter C. Epiglottis is the one who prevents food from entering the trachea. It moves in a back and forth manner. When a person swallows, it covers the entrance of the larynx by flattening itself backwards.
Balamuthia mandrillaris is an amoeba that was discovered in 1986 in the brain of the baboon that dies in San Diego Wild Animal Park. This can be found in the soil and water, therefore it is freely living. It is known to cause the neurological condition known as granulomatous amoebic encephalitis. In a study published by National Center for Biotechnology Information, it has a case fatality rate of >98%. Majority of this case can be found in warmer regions that affects individuals mostly of Hispanic origin. Documented cases had been reported from the Latin Americas in significant number, followed by the United States, Asian regions and some in Europe. However, a specific number of cases worldwide may never be known due to the following factors: lack of awareness, poor diagnosis and a poor public health system.
It is still yet to be known if its a serious public health concern worldwide.
For this experiment Julia needs to use a pH probe because it is the only instrument of the given that can be used to meaure the pH continuously.
The electronic
<span>Cellular life forms have been divided into a three domain system. This system divides cellular life forms in archaea, bacteria and eukaryote domains. While studying the r RNAs of the organisms from these 3 domains, scientists came to the conclusion that all the organisms have a common ancestor due to the many similarities found. This common ancestor is not the first living organism in the Earth. This common ancestor is referred to as Last Universal Common Ancestor.</span>
