"spent" nuclear fuel rods come out of a reactor and need to be handled carefully. why must power plants spend so much money and be so cautious in dealing with these materials? a) spent nuclear fuel is very fragile and can shatter easily and damage equipment. eliminate b) spent nuclear fuel is highly unstable, and likely to explode without precautions. c) spent nuclear fuel is highly radioactive and can damage organisms and the environment. d) spent nuclear fuel is very expensive, and some people desire to take some and profit from it.

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

Why do bacteria thrive even in hostile environments

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.