Select all of the following that are functions of organelles in eukaryotic cells. Check all that apply.
improve efficiency of cell functions
keep related biochemicals in close proximity to each other
allow for high concentrations of biochemicals only in certain cell areas
decrease surface area to volume ratio
form a protective layer outside the cell wall

sadness is not good

explanation:

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

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: