$A$: The tricarboxylic acid $(TCA)$ cycle is an amphibolic pathway.
$R$: $A$ number of $TCA$ cycle intermediates are used in various catabolic reactions only.

In a prolonged fast,the organic substances are used by the body in which of the following sequences?

What substances are transported by $Xylem$ and $Phloem$ respectively?

The maximum amount of energy / $ATP$ is released during the oxidation of which of the following?

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 $PGAL$.

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