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

Dr. bad has developed a way to damage the atp-binding cassette transporter (abc transporter) on a cell. the cell's abc transporter can no longer bind and use atp when it's transporting substances. which of the following statements best describes how this damage would effect the transport of substances in the affected cell? (choice a) substances at a low concentration outside the cell would be more rapidly transported into the cell, where there is a high concentration. (choice b) substances at a high concentration outside the cell would not be transported into the cell, where there is a low concentration. (choice c) equilibrium would be established between all substances inside and outside of the cell. (choice d) substances at a low concentration outside the cell would not be transported into the cell, where there is a high concentration.

Name the part of the the brain labeled "e".

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.