If a red blood cell has a diameter of 8 mm and a student shows it with a diameter of 40 mm in a drawing, what is the magnification of the drawing? O X5
O X 5000
X0.0002
O X0.2

What do all macromolecules have in common with each other? oa. they all are formed from the same elements. ob. they all have major roles in cell membranesoc. they all act as catalysts in the body. od. they all have peptide bonds between carbon atoms.

Select the word from the list that best fits the definition a system made of 25 satellites

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed