Write the functional characteristics of endodermal cells.

Before entering into the respiratory pathway,fats break down into:

When acting as a respiratory substrate,which of the following would be broken down to acetyl Co-$A$?

Identify the respiratory substrates for respiration.

Choose the incorrect sentence$(s)$ regarding the amphibolic pathway.
$(1)$ Carbohydrates are generally used as substrates for respiration.
$(2)$ Fatty acids can first be degraded into acetyl $CoA$,which enters the respiratory pathway.
$(3)$ In the case of proteins,they are first broken down into amino acids,which are later converted into pyruvic acid and enter the respiratory pathway.
$(4)$ The respiratory pathway is involved in both anabolism and catabolism.
$(5)$ Glycerol would enter the pathway after being converted to $PGAL$.

Read the following statements and choose the correct option: