Biochem C785 Final Exam Actual Questions And Correct Answers

BIOCHEM C785 FINAL EXAM ACTUAL
QUESTIONS AND CORRECT ANSWERS


◉ True or False: Large elements, such as strontium, are common in
biomolecules.
Answer: FALSE


◉ True or False: The time it takes for a compound to flow through a
metabolic pathway is called the payoff phase.
Answer: FALSE


◉ True or False: Proteins, carbohydrates, and fats all get broken
down into acetyl-CoA.
Answer: TRUE


◉ True or False: A fat is a lipid molecule that is a solid at room
temperature.
Answer: TRUE


◉ In DNA, guanine always pairs with ________.
Answer: Cytosine

, ◉ Water is considered a polar solvent due to attractive forces known
as hydrogen bonds. A hydrogen bond is __________.
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?
Answer: 2 DOUBLE O BONDS


◉ Water is a unique molecule. Which of the following contributes to
water's unique place in the chemical world?
Answer: ALL OF THE ANSWERS ARE CORRECT


◉ The H+ concentration of a solution is 7.9 x 10-13 M. What is the
pH?
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?
Answer: ΔH


◉ The following is what type of protein secondary structure?