Which question is testable? a. how does changing the amount of water affect the growth of corn? b. is it ethical to use human tissue removed during surgery for scientific research? c. are you happy with your new job? d. will people be disappointed if car insurance rates increase?

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

What is the similarities and differences between bacteria and eukaryote?