Digestion and Absorption — BIOLOGY STD 11 Science — Question

$(1)$ Carbohydrates are generally used as substrates for respiration.

$(2)$ Fatty acids first can degraded into acetyl $Co$ $A,$ which enter into the respiratory pathway.

$(3)$ In case of proteins, they are first broken down into amino acids which later converted in pyruvic acid and enter respiratory pathway

$ (4)$ The respiratory pathway is involved in both anabolism and catabolism.

$(5)$ Glycerol would enter the pathway after being converted to $PGAL. $