Beginning from the primordial globin gene, how many gene duplications were required to yield the beta subunit of hemoglobin

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Easy 6th grade work! 100 points! i need fast! compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance