AP Biology [Practice AP Exam] Questions and Answers (Graded A)

AP Biology [Practice AP Exam] Questions and Answers (Graded A) [C] They Include compartments where hydrogen ions are concentrated. [1] Which of the following is true of both mitochondria and chloroplasts? ----------------------------------------------- [A] They are found in the cells of eukaryotic autotrophs and heterotrophs. [B] They include stacks of membranes that absorb light. [C] They Include compartments where hydrogen ions are concentrated. [D] They produce sugars using energy harvested in the cytoplasm. [E] They break down sugar to produce ATP. [D] interactions between amino acids present in the polypeptide. [2] The tertiary structure and function of a polypeptide is principally determined by the: ----------------------------------------------- [A] length of the polypeptide. [B] number of nucleotides present in the polypeptide. [C] repeated units of glycerol making up the polypeptide. [D] interactions between amino acids present in the polypeptide. [E] number of introns within the polypeptide. [B] Two [3] In a species that has five different alleles for a gene at a particular locus, how many different alleles may be present in the somatic cells of one diploid individual? ----------------------------------------------- [A] One [B] Two [C] Three [D] Four [E] Five [C] swell and lyse [4] If red blood cells cultured in an isotonic medium are placed in distilled water, they will most likely: ----------------------------------------------- [A] remain unchanged [B] shrivel [C] swell and lyse [D] divide