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Portage Learning Chem 210 Final exam

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  • Course
  • CHEM 210 Biochemistry (BIOCHEMISTRY)
  • Institution
  • Portage Learning

True or False: Hydrogen is called the superglue of the chemical world. - CORRECT ANSWER False True or False: Small elements, such as nitrogen, are common in biomolecules. - CORRECT ANSWER true True or False: The time it takes for a compound to flow through a metabolic pathway is called the fl...

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  • March 6, 2023
  • 5
  • 2022/2023
  • Exam (elaborations)
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Subjects

  • biochemistry
  • nursing
  • portage learning chem 210 final exam

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  • Portage Learning
  • CHEM 210 Biochemistry (BIOCHEMISTRY)
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By: EWLindy • 1 year ago

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Portage Learning Chem 210 Newest Biochem Final Exam True or False: Hydrogen is called the superglue of the chemical world. - CORRECT ANSWER False True or False: Small elements, such as nitrogen, are common in biomolecules. - CORRECT ANSWER true True or False: The time it takes for a compound to flow through a metabolic pathway is called the flux. - CORRECT ANSWER true True or False: Proteins, carbohydrates, and fats all get broken down into NADH and FADH2 in energy production. - CORRECT ANSWER t rue True or False: A fat is a lipid molecule that is a liquid at room temperature. - CORRECT ANSWER false In RNA, guanine always pairs with ________. - Thymine - Guanine - Cytosine - Uracil - Both A and B - CORRECT ANSWER - Cytosine Water is considered a polar solvent due to attractive forces known as hydrogen bonds. A hydrogen bond is __________. - A bond that is stronger than a covalent bond - An attractive force between molecules where partially positive hydrogen atoms are attracted to partially ne gative atoms of F, O, or N. - The polar O -H bond in water - An ionic bond between H and another atom - A covalent bond between H and O - CORRECT ANSWER - An attractive force between molecules where partially positive hydrogen atoms are attracted to partial ly negative atoms of F, O, or N. Which attribute contributes to water's unusual properties? - The geometry of the molecule - The polarity of the O -H bonds - The ability of water molecules to hydrogen bond - The bond angle of water - All of the answers are correct - 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? -6.70 6.70 11.17 -12.1 12.1 - 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 free -energy change of a reaction? A) ΔG B) ΔS C) ΔH D) ΔF - CORRECT ANSWER A) ΔG gibbs free energy A fibrous protein is an example of a protein __________. - Quaternary structure - motif - Secondary structure - Amino acid - Conformation - CORRECT ANSWER - Conformation Any molecule or ion that is necessary for an enzyme's function is called a - Cofactor - Coreactant - Coproduct - Bienzyme - Both B and C - CORRECT ANSWER - Cofactor

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