Normal mice gametes contain 20 chromosomes. how many chromosomes do normal mice zygotes contain?

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.

Which of the following is a common response to cell signaling?

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.