BIO 256 Final Assessment Exam Questions with Correct Answers

BIO 256 Final Assessment Exam Questions with Correct Answers Phenylketonuria (PKU) occurs when there is - Answer-two recessive alleles lack an enzyme that converts one of the basic amino acids that make up proteins (phenylalanine) into a by product essential for body functioning (tyrosine) Any oxidation reaction must be coupled to - Answer-a reduction reaction. Reactions releasing energy are usually called - Answer-exergonic The chemiosmotic theory describes how the electron-transport system produces ATP using active proton pumps located within the - Answer-mitochondrial inner membrane Which of the following energy storage nutrient molecules provides the greatest amount of energy in calories (kilocalories) per gram? - Answer-fat. Which organs can obtain metabolic energy from lactic acid? - Answer-liver and heart. Which of the following statements is most correct regarding diffusion? - Answer-the greater the concentration gradient, the faster the diffusion. When cells move substances in vesicles into the extracellular space, it is called - Answer-exocytosis. Red blood cells placed in a hypotonic solution will exhibit - Answer-Hemolysis (bursts) Your blood sugar is - Answer-glucose. When contrasting the complete metabolic breakdown of one molecule of glucose versus fat, you find that - Answer-fat metabolism results in up to ten times more ATP per unit molecule that the metabolism of glucose Proteins manufactured in the cytosol: - Answer-have a destination in the cytosol, which is narrowed down by information in the protein leader sequence.