Sickle-cell anemia is a disease of the red blood cells. a person who carries one sickle-cell gene is physically normal, but has the potential to pass on the sickle-cell trait to his or her offspring. in a person with two sickle-cell genes, the blood cells collapse and cannot carry enough oxygen to the body's cells. this person can have fatal anemia. based on this information, which statement best describes the gene for sickle-cell anemia?

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?