Question

multiple select question
select all that apply
which statements correctly describe carbohydrate molecules?
□ they are organic molecules in a ratio of one oxygen and two hydrogen atoms for each carbon atom.
□ the general formula for carbohydrates is (ch2o)n.
□ carbohydrates provide energy for living things.
□ carbohydrates contain amino acids.

Explanation:

Carbohydrates are organic molecules with a ratio of one oxygen and two hydrogen atoms for each carbon atom, having the general formula $(CH_2O)_n$. They are a primary energy - source for living things. Amino acids are the building - blocks of proteins, not carbohydrates.

Answer:

They are organic molecules in a ratio of one oxygen and two hydrogen atoms for each carbon atom.
The general formula for carbohydrates is $(CH_2O)n$.
Carbohydrates provide energy for living things.