4. which structures are used by the cell for storing and maintaining biological information that will be passed to daughter cells when the cell divides? a. nucleus, chromatin b. nucleolus, ribosome c. vacuole, lysosome d. golgi apparatus, endoplasmic reticulum

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.

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun