Choose the Correct Answer from the List Below

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: Class of biological macromolecules with many functions such as forming barriers between cell organelles, serving as a metabolic fuel, and cell-to-cell signaling.

A) uridine
B) cytoplasm
C) protein
D) thymine
E) carbohydrate
F) sugar-phosphate units
G) cell wall
H) transcription
I) glycogen
J) lipid
K) three
L) two
M) endoplasmic reticulum
N) translation
O) prokaryotes
P) eukaryotes
Q) lysozome