Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
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 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Variation in _____ is the basis of variation in...Ch. 8 - One species' DNA differs from others in its...Ch. 8 - Prob. 5SQCh. 8 - Prob. 6SQCh. 8 - Prob. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - DNA replication requires _______. a. DNA...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 - 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 - Prob. 13SQCh. 8 - Prob. 14SQCh. 8 - Prob. 15SQCh. 8 - Prob. 1CTCh. 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
- Sister chromatids are NOT _____. A. tightly linked together at a centromere. B. present throughout the cell cycle C. created when DNA is replicated. D. identical to each other.arrow_forwardThe characteristic “X” shape of chromosomes is _____. a. a result of maximum compaction of the chromosome b. due to the wrapping of DNA around histones c. only evident during cell division d. indicative of a cell that is no longer dividing e. only found in the female sex chromosomearrow_forwardHuman body cells are diploid, which mean they______ . a. divide to form two cells b. have two full sets of chromosomes c. contain two chromosomesarrow_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_forwardLong strands of DNA are called _______. a autosomes b genes c chromosomes d chromatidsarrow_forward
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