How many copies of the genes. for one feature are in each reproductive cell (the sperm and the egg A (0)
B (1)
C (2)
D (4)

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

What is the number of phosphates in an atp molecule