Biology Questions and Answers
centers, hospitals and medical centers
that usexplosions oe radioisotopes, nr accidents withuclear bomb
transportation, handling or storage of
nuclear materemain dangerous for many yrial. Nuclear materialsears,
contaminating the environment with
radiation that can cause immune impairment, congenitalcancer,
deficiencies, burns and even death. The
damage is proportioof the exposition to tnal to the he radiation.intensity
Its persistentaggression po feature and highwer make nuclear (^)
pollution environmental problems ofone of the major (^) our time.
- What is plutonium
reprocessing? Why is it a big
environmental issue?
Plutonichemical element produced fromum is the highly radioactive
uranium by nuclear plants. Plutonium
can be reprocessenuclear plants or in other destinations,d to be used again in
like the making of nuclear bombs.
Plutonihowever, is dum reprocessing none only in somowadays,e countries (^)
like France, Russia and Britain. The
countries that havJapan, Australia, etc., see nuclear pnd their atomiclants, like (^)
waste breprocessing cey ship to thosnters. Beside plutoniumes the (^)
inherent risks of the storage of nuclear
waste, pthe riskslutonium reprocessing bri of the transport of radioactivengs (^)
material across the oceans. The
“nuclear ships”coast of many co often travel untries posing dangernear the (^)
to their populations.
- What is transgenic food?
Transgenic beings are animals,
microorrecombinaganismsnt DNA, i.e., and plants that cogenes fromntain
other plants, microorganisms or animals
artificiallymaterial. T inserted into thransgenic beings are maeir geneticde (^)
for scientific anthis last case with the d economic pintention ourposes, inf
improving their commercial features.
For examplhuman insulin are, bacteriae trans that producegenic beings (^)
made by biotechnology. The main
targets of the transedible vegetables, like soy, genic technolocorn, pgy areotato
and tomato.
- Why are transgenics
considered a threat to the
environmental safety?
Transgenics can be dangerous to theentire biosphere since the transfer of (^)
genes between species may himmediate and long term unpredictableave (^)
consequences. The creatiospecies by nature is a slow pn of newrocess, (^)
dependent on causal mutations and
natural selection, a process for the ecological equilibrium. Irelatively safe (^) t
is impossible to know how the fast and
artificialbeings in nature affects ecosystems. introduction of transgenic (^)
Pathogenic agents may be involuntarily
created in laboratories,unknown diseases; transg spreadingenic species (^)
may uncontrollably proliferate
destroyinhave takeg ecolon thousands ogical interactionsf years to be that
established; the ingestion of transgenic
food also has unpredictable effects.
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