Final answer:
The list that is ordered smallest to largest is: carbon atom, glucose, carbohydrate, cell wall.
Step-by-step explanation:
The correct answer is B. carbon atom, glucose, carbohydrate, cell wall.
When we arrange the given items in the order from smallest to largest, we start with the individual components and move on to larger structures:
- Carbon atom: It is the smallest unit mentioned.
- Glucose: It is a monosaccharide, which is larger than a carbon atom.
- Carbohydrate: This is a general term that includes various types of sugars, including glucose.
- Cell wall: It is the largest structure mentioned, made up of carbohydrates.