Where do fatty acids enter the respiratory pathway?

Why is the respiratory pathway referred to as an amphibolic pathway?

Which of the metabolites is common to respiration mediated breakdown of fats,carbohydrates and proteins?

During prolonged fasting,which of the following is the correct order of utilization of energy sources in the human body?

Read the following statements and choose the correct option:

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 $PGAL$.