Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 12SQ
After
- a. consists of two sister chromatids
- b. has a characteristic X shape
- c. is constricted at the centromere
- d. all of the above
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interphase chromosomes are __________ while mitotic chromosomes are
a. composed of 4 DNA strands; composed of 2 DNA strand
b. composed of 1 DNA Strand; composed of 2 DNA strands
c.composed of 2 DNA strands; composed of 1 DNA strand
d. composed of 2 DNA strands; composed of 4 DNA strands
DNA doubles ___.
A. before mitosis
B. during metaphase of mitosis
C. at any time during cell division
D. during prophase of mitosis
E. immediately before prophase of mitosis
Morphology of Chromosomes can bebest studied at ______A. Interphase B. ProphseC. Metaphase D. Zygotene
Chapter 8 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. AG, TC...Ch. 8 - Similarities in ________ are the basis of...Ch. 8 - One species DNA differs from others in its _____....Ch. 8 - In eukaryotic chromosomes, DNA wraps around...
Ch. 8 - The chromosome number ______. a. refers to a...Ch. 8 - Prob. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - Which of the following is/are not required for DNA...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - The phrase "5 prime to 3 prime" refers to the...Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Match the terms appropriately. ______...Ch. 8 - All mutations ________. a. result from radiation...Ch. 8 - Prob. 15SQCh. 8 - Determine the complementary strand of DNA that...Ch. 8 - Review Figures 8.12 and 8.13. In cells, the...Ch. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- In eukaryotic chromosomes, DNA wraps around_____ . a. histone proteins d. centromeres b. sister chromatids e. nucleosomes c. the double helix f. mutationsarrow_forwardOur somatic cells’ DNA is distributed among 46 ________ in the nucleus. a. nucleosomes b. chromatids c. nucleoli d. chromosomearrow_forwardThe _____ is the physical location that sister chromatids are held together and where microtubules physically attach during mitosis. a. centriole b. centrosome c. centromere d. chromatinarrow_forward
- In eukaryotic chromosomes, DNA wraps around _________. a. histone proteins c. centromeres b. sister chromatids d. nucleosomesarrow_forwardWhen DNA synthesis occurs in a cell, it results in the formation of _____. A. homologs B. duplicated centrosomes C. more microtubules D. sister chromatids 23.arrow_forwardthe spindle attaches to chromosomes at the_______ . a. centriole c. centromere b. contractile ring d. centrosomearrow_forward
- The above cell has a diploid number of 6 chromosomes. Which of the following processes need to occur before the cell can undergo mitosis? Select one or more O a Attachment of microtubules to chromosomes O b. Division of cytoplasm c Duplication of cell organelles O d. Replication of DNA e. Organisation of homologous chromosomes togetherarrow_forwardIn eukaryotic cells, the nuclear envelope has to disappear in order to directly permit _____. A. the splitting of centrosomes B. the attachment of microtubules to kinetochores C. the extra condensation of chromosomes D. cytokinesisarrow_forwardMatch each term with its description Chromatid Chromosome + Chromatin Homologous chromosomes Sister chromatids A. "Chromosome pairs inherited from each parent. Chromosomes pairs with same shape, same size and same genes. " B. One of the two identical copies making a chromosome C. Chromatids product of DNA duplication D. Single piece of chromatin tightly packed DNA with proteins E. Loosely-packed DNA with proteinsarrow_forward
- In intervals of interphase, G stands for_____ . a. gap c. Gey b. growth d. genearrow_forwardLong strands of DNA are called _______. a autosomes b genes c chromosomes d chromatidsarrow_forwardChromosomes are visible under microscope during cell division because a. Thickening of chromatins b. Disappearance of the nucleoli c. Disintegration of the nuclear membrane d. Duplication of the DNAarrow_forward
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