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

Write the functional characteristics of endodermal cells.

Which term is used to describe the respiratory pathway?

$A-$ Glycolysis involves only catabolic process.
$R-$ Amphibolic pathway involves both catabolic and anabolic processes.

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 $PGAL$.

Discuss "The respiratory pathway is an amphibolic pathway".