21. Which of the following statements about catabolic pathways is false? a. Carbohydrates can feed into oxidative phosphorylation.
b. Glycogen can be broken down into glucose and feed into glycolysis.
c. Amino acids can feed into pyruvate oxidation.
d. Fatty acids can feed into the citric acid cycle.

from my point of view I think the answer should amino acid can fit into pyruvate oxidation

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

i believe the answer is a or 1