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)
Question 16.16. (TCO 6) Mitochondria are surrounded by _____. (Points : 4)
a single membrane genes DNA a double membrane carbohydrates
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 Conformation Denatured
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)
Holotype Genotype Typology Phenotype Morphology
Question 23.23. (TCO 8) Operons contain regulatory genes that code for _____. (Points : 4)
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)
operon activator promoter exon 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)
Question 33.33. (TCO 11) The Atlantic Ocean and the Pacific Ocean belong to the same _____. (Points : 4)
abiota community population biota biome
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)
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