A nucleic acid that consists of one polynucleotide chain that helps in making proteins in a cell is
a ) polynucleotide
b ) DNA
c ) RNA
d ) nucleotides

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.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.