Im not sure what the answer is unless you put the options up for the multiple choice
Answer:
about 0.7 g/mL
Explanation:
Density = mass ÷ volume
D = 5.29 g / (12.6 mL - 5.00 mL)
D = 5.29 g / 7.6 mL
D = 0.696052.... g/mL
D = about 0.7 g/mL
The cell membrane allows certain items into a cell and blocks others from entering, just like a security guard protects a real factory.
