Each red blood cell carries about 250 million molecules of hemoglobin. how many molecules of oxygen could a single red blood cell deliver throughout the body if every hemoglobin molecule attached to four oxygen molecules? a. 1 trillion molecules of oxygen b. 1 x 10 to the power of 8 molecules of oxygen c. 1 billion molecules of oxygen d. 1 x 10 to the power of 10 molecules of oxygen

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time