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Aleks04 [339]
3 years ago
13

Fermentation is an anaerobic biochemical pathway with truly one simple intent.

Biology
1 answer:
larisa86 [58]3 years ago
3 0

Answer:

We are losing Earth's greatest biological treasures just as we are beginning to appreciate their true value. Rainforests once covered 14% of the earth's land surface; now they cover a mere 6% and experts estimate that the last remaining rainforests could be consumed in less than 40 years.

One and one-half acres of rainforest are lost every second with tragic consequences for both developing and industrial countries.

Rainforests are being destroyed because the value of rainforest land is perceived as only the value of its timber by short-sighted governments, multi-national logging companies, and land owners.

Nearly half of the world's species of plants, animals and microorganisms will be destroyed or severely threatened over the next quarter century due to rainforest deforestation.

Experts estimates that we are losing 137 plant, animal and insect species every single day due to rainforest deforestation. That equates to 50,000 species a year. As the rainforest species disappear, so do many possible cures for life-threatening diseases. Currently, 121 prescription drugs sold worldwide come from plant-derived sources. While 25% of Western pharmaceuticals are derived from rainforest ingredients, less that 1% of these tropical trees and plants have been tested by scientists.

Most rainforests are cleared by chainsaws, bulldozers and fires for its timber value and then are followed by farming and ranching operations, even by world giants like Mitsubishi Corporation, Georgia Pacific, Texaco and Unocal.

There were an estimated ten million Indians living in the Amazonian Rainforest five centuries ago. Today there are less than 200,000.

In Brazil alone, European colonists have destroyed more than 90 indigenous tribes since the 1900's. With them have gone centuries of accumulated knowledge of the medicinal value of rainforest species. As their homelands continue to be destroyed by deforestation, rainforest peoples are also disappearing.

Most medicine men and shamans remaining in the Rainforests today are 70 years old or more. Each time a rainforest medicine man dies, it is as if a library has burned down.

When a medicine man dies without passing his arts on to the next generation, the tribe and the world loses thousands of years of irreplaceable knowledge about medicinal plants.

Explanation:

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Which of the following tools helps in the visualization of DNA inside a cell?
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Witch step of cellular respiration will not take place in the absence of oxygen
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The answer is; glycolysis

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7 0
3 years ago
Which statements correctly explain why biological productivity in the tropical ocean is so meager when compared to biological pr
Anni [7]
<span>The answer to this question would be: 
- The permanent thermocline presents a barrier that keeps nutrients in deeper water from mixing with surface waters.
- The sunlight penetrates deep into the tropical ocean, warming the surface waters and creating stratification of water masses.

In tropical lands, the area is getting sunlight all around the year. This will cause the plant to be able to do photosynthesis all around the year too. Sunlight can penetrate the ocean, but the intensity will be much lower in deeper part. The ocean also become warmer but it will become cold in the deeper part too. </span>
3 0
3 years ago
¿Cómo crees que impacte en las generaciones futuras el genoma humano??​
Hitman42 [59]

Answer:Seguramente que es así, si pensamos en las consecuencias que traerá para la humanidad. El futuro de la ciencia, la tecnología y la salud se moverán ahora alrededor de este proyecto que tiene ocho objetivos básicos (ver recuadro).

La salud será una de las áreas donde mayor influencia tendrá el proyecto genoma, pero, cuándo y qué podemos esperar, desde un punto de vista práctico, para el control y tratamiento de las enfermedades? Primero hay que aclarar que todas las enfermedades, en mayor o menor medida, tienen un componente genético que al interactuar con medio ambiente desencadena la mayoría de ellas.

Desde que se asilaron y caracterizaron los primeros genes los beneficios fueron limitados pero inmediatos; se comprendió cómo un gen defectuoso (gen mutado) produce una proteína defectuosa y en consecuencia funciones alteradas en el organismo.

Hoy se tienen aproximadamente seis mil genes identificados asociados con una función o enfermedad específicas.

La primera aplicación de estos resultados se ve en el mejoramiento de los diagnósticos. Hoy se pueden hacer diagnósticos prenatales y presintomáticos antes que el individuo desarrolle la enfermedad, haciendo posible intervenciones terapéuticas preventivas. Desafortunadamente, estas aplicaciones están restringidas a enfermedades muy particulares y de baja incidencia.

Sin embargo, en un futuro muy próximo se espera que las enfermedades que producen la más alta morbimortalidad en el ser humano, como son las infecciosas, cardiovasculares, cáncer, neuropsiquiátricas, autoinmunes y otras, puedan beneficiarse de un diagnóstico genético.

Un campo que se está desarrollando a partir del proyecto genoma es la genética comparativa entre diferentes organismos, lo que podría explicarnos porqué los humanos sufrimos de ciertas enfermedades mientras otros animales no, tal es el caso del chimpancé, resistente al sida y a la malaria. De estos primos evolutivos nos separa una diferencia de apenas el uno por ciento de la composición del material genético.

Y Colombia, qué? Como ocurre con la mayoría de los grandes acontecimientos científicos mundiales, Colombia es más un espectador que un protagonista. Ante esta trascendental noticia para la humanidad, en nuestro medio se difundió la opinión de los científicos, pero no conocimos la posición de los administradores de la salud y dirigentes políticos.

Desafortunadamente para nosotros, parece que estos temas fueran ficción y, adicionalmente, el tema de la violencia oculta la importancia de estos maravillosos adelantos científicos.

De cualquier manera, algunos sectores en nuestro medio se han beneficiado del conocimiento profundo del genoma. Es el caso de las ciencias forenses, donde la identificación genética humana permite, con alto grado de confiabilidad, resolver los casos de paternidad, identificación de cuerpos en desastres aéreos, desaparecidos a partir de restos óseos, violadores, etc.

En algunas instituciones oficiales están colocando una gran dosis de creatividad y esfuerzo para que Colombia no quede a la zaga en este importante campo. Tal es el caso del Instituto Nacional de Cancerología donde se están desarrollado modelos genéticos experimentales del cáncer, que podrían aportar de manera importante al proyecto genoma. Otros grupos están utilizando la información del genoma para el diagnóstico de enfermedades como la fibrosis quística, hemofilia, cáncer hereditario de seno, etc.

Explanation:

4 0
3 years ago
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