Tumor-suppressor genes are important in the prevention of cancer because they . View Available Hint(s)for Part A stimulate cell division produce gene products that prevent uncontrolled cell growth provide protection from infectious diseases prevent proto-oncogenes from producing growth factors

human-caused climate hope this

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: