17. Abnormal chromosomes are frequent in malignant tumors. Errors such as translocations may place a
18. A chemist wishes to make an organic molecule less acidic. Which of the following functional grou
19. RFLP analysis can be used to distinguish between alleles based on differences in which of the fo
20. The volume enclosed by the plasma membrane of plant cells is often much larger than the correspo
21. In the thylakoid membranes, what is the main role of the antenna pigment molecules?(A) concentra
23. What is a karyotype?(A) The combination of chromosomes found in a gamete.(B) A system of classif
24. What is the function of DNA polymerase III?(A) to rejoin the two DNA strands (one new and one ol
25. Phylogenetic trees are best described as ____.(A) true and inerrant statements about evolutionar
26. As cleavage continues during frog development, the size of the blastomeres ____.(A) increases as
27. Which of the following best describes resource partitioning?(A) Two species can coevolve to shar
28. The producers in aquatic ecosystems include organisms in which of the following groups?(A) photo
29. Overexploitation encourages extinction and is most likely to affect ____.(A) most organisms that
30. You are observing a population of lizards when you notice that the number of adults has increase
31. Which of the following pair of hormones have antagonistic effects?(A) thyroid hormone and parath
32. Which of the following is true of members of the phylum Cnidaria?(A) They are not capable of loc
33. The enzyme amylase can break glycosidic linkages between glucose monomers only if the monomers a
34. Which of the following statements about intermediate filaments is NOT TRUE?(A) They are cytoskel
35. Which of the following statements about glycolysis is NOT TRUE?(A) Glycolysis takes place in cyt
36. About Calvin cycle, which of the following statement is true?(A) reactions occur within the thyl
37. About mitosis and meiosis, which statement is NOT TRUE?(A) Mitosis conserves the number of chrom
38. The first cloned cat, called Carbon Copy, was a calico, but she looked significantly different f