The ________ is a saclike membranous structure that sorts, modifies, and transports various proteins throughout the cell

How should the answer for the following calculation based on three measurements be written to account for the number with the highest degree of uncertainty?

10 + 101 + 1111 = 1222 A) 1000 B) 1200 C) 1220 D) 1222

Fuel particles become smaller as the ratio of surface-to-mass:

A. increases. B. decreases. C. stays constant. D. fluctuates back and forth.