Oxidized during an oxidation-reduction reaction

8. (TCO 3) Which happens to the substance that is oxidized during an oxidation-reduction reaction? (Points : 4)

       It gives up hydrogen atoms.
       It takes on oxygen atoms.
       It becomes a charged species.
       It shows a gain of electrons.
       It shows a loss of electrons. 

Question 9.9. (TCO 4) Ammonia (NH3) accepts a proton from water. Which of the statements listed below is true according to Bronsted-Lowry definitions? (Points : 4)

       Ammonia is a base.
       Ammonia is an acid.
       Ammonia produces H+ ions in aqueous solutions.
       Ammonia acts as a solvent.
       Ammonia is neutral. 

Question 10.10. (TCO 4) Which volume of 2.5% (m/v) NaCl can be prepared from 185 mL of a 8.0% NaCl solution? (Points : 4)

       57.8 mL
       592 mL
       6 mL
       185 mL
       63 mL

Question 11.11. (TCO 4) An unknown solution has a pH of 13. This solution is (Points : 4)

       extremely acidic.
       moderately acidic.
       slightly basic.
       extremely basic.

Question 12.12. (TCO 5) The _____ structure of a protein consists of relationships between amino acids that are far apart in a protein. (Points : 4)

       None of the above

Question 13.13. (TCO 5) Which of the following is a type of protein? (Points : 4)

       All of the above

Question 14.14. (TCO5) The presence of more than one polypeptide chain is described as _____ protein structure. (Points : 4)


Question 15.15. (TCO 6) Which of the following is paired incorrectly? (Points : 4)

       Peroxisome: Catalase
       Mitochondria: Eukaryote
       Cytoskeleton: Tubulin
       Nucleus: Prokaryote
       Ribosome: Protein synthesis 

Question 16.16. (TCO 6) Mitochondria are surrounded by _____. (Points : 4)

       a single membrane
       a double membrane

Question 17.17. (TCO 6) Which of the following terms describes where substrate binds on an enzyme? (Points : 4)

       Active site
       Primary structure
       Inhibitor site

Question 18.18. (TCO 7) The energy from breaking down glucose is _____ during respiration. (Points : 4)

       transferred to starch
       used to manufacture glucose by exergonic reactions
       released all at once
       carried by electrons
       None of the above 

Question 19.19. (TCO 7) Which substances are produced during the light-dependent reactions? (Points : 4)

       ATP and NADH
       ATP and NAD+
       ATP and NADPH
       RuBP and O2
       ATP and NADP+ 

Question 20.20. (TCO 7) Which of the following is the proper order of reactions occurring during cellular respiration? (Points : 4)

       Glycolysis, citric acid cycle, electron transport chain
       Citric acid cycle, glycolysis, electron transport chain
       Citric acid cycle, electron transport chain, glycolysis
       Electron transport chain, glycolysis, citric acid cycle
       Electron transport chain, citric acid cycle, glycolysis 

Question 21.21. (TCO 8) Which happens during metaphase? (Points : 4)

       The nuclear envelope breaks up.
       Cytokinesis occurs.
       Tetrads form.
       Centromeres divide.
       Chromosomes line up on the midline of the cell.

Question 22.22. (TCO 8) Which do you call the specific traits of an organism? (Points : 4)


Question 23.23. (TCO 8) Operons contain regulatory genes that code for _____. (Points : 4)

       RNA polymerase

Question 24.24. (TCO 9) Which of the following is a potential benefit of the Human Genome Project? (Points : 4)

       Lead to treatments for inherited diseases
       Lead to treatments for contagious diseases
       Increase our understanding of the historical relationships among species
       Aid in solving crimes
       Play a role in all of the choices listed here 

Question 25.25. (TCO 9) The genes responsible for the breakdown of lactose in E. coli are part of a(n) _____. (Points : 4)

       regulatory gene 

Question 26.26. (TCO 9) Which of the following is an example of a transgenic organism? (Points : 4)

       An organism carrying a gene that was acquired by artificial means
       The first organism in which a particular mutation has appeared
       An organism carrying genes from two different parents
       A cloned organism carrying two different alleles
       An organism that gestated in an artificial womb 

Question 27.27. (TCO 10) Natural selection consists of all of the following, except (Points : 4)

       some variation can be passed on to offspring.
       all species are descended from a common ancestor.
       populations produce more offspring than the environment can support.
       individuals in a population vary.
       organisms with greater fitness produce more offspring.

Question 28.28. (TCO 10) In ferns, which stage in the alternation of generations is larger? Is this stage haploid or diploid? (Points : 4)

       Sporophyte: haploid
       Sporophyte: diploid
       Gametophyte: diploid
       Gametophyte: haploid
       The same size: haploid 

Question 29.29. (TCO 10) A type of moth had two color variations, a light color and a dark color. The dark-colored moths were much less noticeable to predators because they blended in with the wood of the trees they lived in. Therefore, the dark colored moths survived much better and had more offspring and the population of moths slowly evolved to be all dark colored. Which mechanism of evolution was at work in this case? (Points : 4)

       Mutation pressure
       Natural selection
       Genetic drift

Question 30.30. (TCO 10) Which of the features below was the first to appear in early hominids such as Australopithecus afarensis? (Points : 4)

       A large brain
       An upright posture
       Use of medicinal plants 

Question 31.31. (TCO 10) Which of the following are autotrophs? (Points : 4)


Question 32.32. (TCO 11) Deer and other herbivores are referred to as _____. (Points : 4)

       primary consumers

Question 33.33. (TCO 11) The Atlantic Ocean and the Pacific Ocean belong to the same _____. (Points : 4)


Question 34.34. (TCO 11) An organism that has many offspring and poor parental care will likely exhibit _____. (Points : 4)

       a type I survivorship curve
       a type II survivorship curve
       a type III survivorship curve
       a survivorship curve between type I and type II
       a survivorship curve between type II and type III

Question 35.35. (TCO 11) In the food chain grass ? antelope ? human ? lion, the grass is a _____. (Points : 4)

       secondary consumer
       primary consumer
       tertiary consumer

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