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Anatomy and Physiology Practice Test: Chemistry & Life
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Anatomy and Physiology Practice Test: Chemistry & Life
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25 Questions

1. Choose the answer that best describes fibrous proteins.
2. Amino acids joining together to make a peptide is a good example of a(n) ________ reaction.
3. In a DNA molecule, the phosphate serves ________.
4. The numbers listed represent the number of electrons in the first, second, and third energy levels, respectively. On this basis, which of the following is an unstable or reactive atom?
5. What level of protein synthesis is represented by the coiling of the protein chain backbone into an alpha helix?
6. What happens in redox reactions?
7. Emulsions and colloids are the same thing.
8. Lipids are a poor source of stored energy.
9. The atomic weight is only an average of relative weights of an atom and its isotopes, and it may vary from the weight of a specific isotope.
10. Which of the following elements is necessary for proper conduction of nervous impulses?
11. ________ is fat soluble, produced in the skin on exposure to UV radiation, and necessary for normal bone growth and function.
12. Carbohydrates and proteins are built up from their basic building blocks by the ________.
13. The fact that no chemical bonding occurs between the components of a mixture is the chief difference between mixtures and compounds.
14. Current information theorizes that omega-3 fatty acids decrease the risk of heart disease.
15. What is a dipole?
16. Which statement about enzymes is false?
17. What does the formula C6H12O6 mean?
18. Which of the following is true regarding the concentration of solutions?
19. Which of the following is the major positive ion outside cells?
20. A charged particle is generally called an ion.
21. The single most abundant protein in the body is ________.
22. Select the most correct statement regarding nucleic acids.
23. What is a chain of 25 amino acids called?
24. Select which reactions will usually be irreversible regarding chemical equilibrium in living systems.
25. All organic compounds contain carbon.

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