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Cell Biology Practice Test: Chemical Basis of Life
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Avg score: 74% Most missed: “Which of the following is released when a Hydrogen atom loses an electron?”
Topics include: Acids, Bases & Buffers, Carbohydrates, Lipids, Proteins, Nucleic Acids, Protein Misfolding, Chaperones, & Macromolecules. The chemical basis of life includes the following elements: Carbon: The foundational element for life on Earth. Carbon is the fourth most abundant element in the universe and is present in all living things. It is the chief building block of all biomolecules. Oxygen: The most abundant element in the human body, making up 65% of it. Hydrogen: Abundant in the body because it is up to 60% water. Nitrogen: A major element in the chemical basis of... Show more
Cell Biology Practice Test: Chemical Basis of Life
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25 Questions

1. Which of the following is an example of amphoteric molecule?
2. The large (50S) ribosomal subunit of bacteria contains _______ molecules of RNA.
3. The compounds which have same chemical reactivity but structures which are mirror images of each other are known as ____________
4. Which monomers compose the strands of nucleic acids?
5. Which peptide for the treatment of Alzheimer’s disease was approved by the government for phase I clinical trial?
6. Carbonic acid and bicarbonate ions buffer which of the following?
7. Buffers usually contain ________________ with its conjugate ____________
8. Which residues are present in histone proteins?
9. What are the types of nucleic acids are found in living organisms?
10. In presence of an acid, amino group can be ____________
11. Which types of bonds are found in fats?
12. Lipids cannot dissolve in _____________
13. TriC is a _____________
14. Which type of bonds present in vegetable fats account for their liquid state?
15. Sucrose and lactose are _____________
16. Which of the following amino acids does not belong to polar charged group?
17. Enzyme lactase is found in ______________
18. What protein makes up spider silk?
19. Which of the following groups of amino acids are least soluble in water?
20. Which of the following is released when a Hydrogen atom loses an electron?
21. Which protein of the smaller subunit of bacterial ribosome was found to have a function in ribososme assembly?
22. Amyloid is a ____________
23. Chaperones bind to which type of amino acid residues in the protein?
24. Which protein is involved in Creutzfeld-Jacob disease (CJD)?
25. A solution having a pH of 6 has a proton concentration of _______