FINAL EXAM BIOCHEM EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

True or False: Nitrogen is called the superglue of the chemical world. Correct Answer: FALSE True or False: Large elements, such as strontium, are common in biomolecules. Correct Answer: FALSE True or False: The time it takes for a compound to flow through a metabolic pathway is called the payoff phase. Correct Answer: FALSE True or False: Proteins, carbohydrates, and fats all get broken down into acetyl-CoA. Correct Answer: TRUE True or False: A fat is a lipid molecule that is a solid at room temperature. Correct Answer: TRUE In DNA, guanine always pairs with ________. 2 Correct Answer: Cytosine Water is considered a polar solvent due to attractive forces known as hydrogen bonds. A hydrogen bond is __________. Correct Answer: An attractive force between molecules where partially positive hydrogen atoms are attracted to partially negative atoms of F, O, or N. Which of the following is the structure of ADP? Correct Answer: 2 DOUBLE O BONDS Water is a unique molecule. Which of the following contributes to water's unique place in the chemical world? Correct Answer: ALL OF THE ANSWERS ARE CORRECT The H+ concentration of a solution is 7.9 x 10-13 M. What is the pH? Correct Answer: 12.1 [ [H+]=7.9 x 10-13; pH=-log[7.9 x 10-13]= 12.1] Which of the following is the enthalpy change of a reaction? Correct Answer: ΔH The following is what type of protein secondary structure