What is a "limiting" amino acid in a protein? a. an essential amino acid present in insufficient quantity for body protein synthesis to take place b. a nonessential amino acid present in high amounts, which inhibits protein synthesis c. an amino acid of the wrong structure to be utilized for protein synthesis efficiently d. an amino acid that has the paradoxical effect of causing catabolism e. an amino acid that limits the absorption of other essential amino acids by competing with them for transport sites within the gi tract

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.