Please help
 QUESTION 23
 23. Which of the following is NOT a function of proteins? (HB2A1)
 provides structural support for cells
 b. long term energy storage
 c. speeds up reactions
 d.
 movement and transportation
 24. In humans and other multicellular organisms, which substance plays a central role as a source of short-term
 energy? (HB2A1)
 a. carbohydrate
 C. protein
 b. fat
 d. water
 25. Which of the following is NOT part of a DNA nucleotide? (HB2A1)
 a. deoxyribose
 C. nitrogen base
 b. phosphate
 d. ribose
 A
 B
 QUESTION 24