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Cell Biology Practice Test: Chemical Basis of Life
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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. Eukaryotic subunits are not capable of self-assembly.
2. The longest known polypeptide is of the muscle protein called __________
3. Acids that lose a proton easily are weak acids.
4. In most animals, fats are stored in special cells called _____________
5. Which of the following is an NSAID for Alzheimer’s disease, that lead to Phase III clinical trials?
6. Which of the following molecules bind to nascent polypeptides synthesized on the ribosomes?
7. Rubisco is a ________________
8. Which bonds are present in two neighboring amino acids?
9. Sucrose and lactose are _____________
10. Which protein is involved in Creutzfeld-Jacob disease (CJD)?
11. What are molecular chaperones?
12. Buffers react with _______________ ions.
13. In addition to amyloid-β peptide, which other protein is misfolded in the brains of Alzheimer’s disease patients?
14. Which protein of the smaller subunit of bacterial ribosome was found to have a function in ribososme assembly?
15. Fructose is a _____________
16. TriC is a _____________
17. Heat-shock response was first observed in which organism?
18. Fats contain more chemical energy than carbohydrates.
19. Buffers usually contain ________________ with its conjugate ____________
20. Which of the following groups of amino acids are least soluble in water?
21. The mutated and normal prion proteins associated with CJD have the same amino acid sequence.
22. TMV particles are not capable of self-assembly.
23. Which types of bonds are found in sugars?
24. In an amino acid, the carboxyl group and amino group are separated from each other by a single ____________ atom.
25. Which type of bonds present in vegetable fats account for their liquid state?