A major difference in the structure of proteins, fats, and carbohydrates is that only proteins always contain (A) carbon
(B) hydrogen
(C) oxygen
(D) sodium
(E) nitrogen​

What molecule contains an organisms genetic material, passed down from parents to their offspring

When sodium chloride dissolves in water the sodium cholride dissociates into?

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.