Oxygen is important in cellular respiration but it does not come into the reaction until the final stage and acts as the?
an additional source of energy
an enzyme in the reaction
the waste product of respiration
the final hydrogen acceptor

Suppose a scientist measures the amount of dna per cell of a particular diploid species at various stages of meiosis. she finds that the meiotic cells contain 3.7 pg , 7.3 pg , or 14.6 pg of dna. match each stage of the cell cycle to the corresponding amount of dna contained within a cell at that stage.

Which of the following represents the correct format for the scientific name? a. staphylococcus aureusb. staphylococcus aureusc. staphylococcus aureusd. staphylococcus aureus

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this