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_forwardQUESTIONT D. Organelle that builds A. Two identical copies of DNA microtubule "highways" to guide DNA B. "staple" that holds DNA copies togetherarrow_forward
- The _____ 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_forwardIn 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_forward
- the spindle attaches to chromosomes at the_______ . a. centriole c. centromere b. contractile ring d. centrosomearrow_forwardSister 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_forward
- Matching Terms: A. Prophase B. Anaphase C. Telophase D. Metaphase E. Interphase _____1. The sister chromatids are moving apart. _____2. The nucleolus begins to fade from view. _____3. A new nuclear membrane is forming. _____4. The cell membrane begins to pinch in. _____5. The chromosomes de-condense. _____6. The chromosomes are located at the equator. _____7. The nuclear membrane begins to fade from view. _____8. The chromosomes move towards the poles of the cell. _____9. Sister chromatids line up along the equator. _____10. The division (cleavage) furrow appears _____11. The spindle is formed. _____12. Chromosomes are not visible. _____13. The cell plate begins to be built. _____14. Chromosomes replicated. _____15. The reverse of prophase.arrow_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_forwardThe 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_forward
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