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Chapter 6 A Tour of the Cell This chapter introduces the topics of microscopy and cell fractionation, followed by a review of the cell and the major organelles and structures of eukaryotic cells. A challenge with this chapter is to keep this data from simply being a list of parts. In addition to the structure and function of individual organelles, questions probe student understanding of the cell as a dynamic, interconnected system: the flow of membrane and proteins in the endomembrane system...

Humans and mice differ because - CORRECT ANSWER-their cells have some differences in the sequence of nucleotides in their nucleic acids. Molecules with which functional groups may form polymers via dehydration reactions? - CORRECT ANSWER-either hydroxyl or carboxyl groups Which of these molecules is not formed by dehydration reactions? - CORRECT ANSWER-fatty acids In animal metabolism, most of the monomers released by digestion of food macromolecules are metabolized to provide energy. O...

The centromere is a region in which - CORRECT ANSWER-chromatids remain attached to one another until anaphase Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells - CORRECT ANSWER-32 If there are 20 chromatids in a cell, how many centromeres are there - CORRECT ANSWER-10 For a newly evolving protist, what would be the advantage of using eukaryote-like cell division rather than binary fission - CORRECT ANSWER-Cell divi...

Which of the following is characteristic of eukaryotic cells? A) binary fission B) membrane-bounded nucleus C) peptidoglycan cell wall D) 70S ribosomes E) smaller than 5 µm in diameter - CORRECT ANSWER-membrane-bounded nucleus The methanobacteria, halobacteria, and sulfobacteria are included in which domain? A) bacteria B) protista C) blue-green algae D) archaea E) eukarya - CORRECT ANSWER-archaea Experiments by Stanley Miller in the 1950s demonstrated that the first organic mol...

which of the following would NOT be found in a DNA sequence a) adenine b)guanine c)thymine d) uracil - CORRECT ANSWER-D A segment of pre-mRNA is cut up by spliceosomes so that 3 eons & 2 introns are formed. How many cuts were made on the pre-mRNA? a) 3 b) 4 c) 5 d) 6 - CORRECT ANSWER-B if a DNA strand contains the triplet nucleotides ATG-GCC-GCT, what would be the set of anti-codons that accompany the transcribed mRNA during translation? a) TAG-CGG-CGA b) AUG-GCC-GCT c) AT...