Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 4SQ
A biochemist measures the amount of DNA in cells growing in the laboratory. The quantity of DNA in a cell would be found to double
- a. between prophase and anaphase of mitosis.
- b. between the G1 and G2 phases of the cell cycle.
- c. during the M phase of the cell cycle.
- d. between prophase I and prophase II of meiosis.
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Students have asked these similar questions
What occurs during metaphase phase of mitosis?
A.
Microtubules can be lengthened by adding subunits at the + end to move chromosomes towards the metaphase plate
B.
Microtubules can be shortened to move chromosomes towards the metaphase plate.
C.
Motor proteins pull chromosomes along the microtubules to move them towards the metaphase plate.
D.
All of the above
E.
None of the above
Which of the following is true of normal adult cells but NOT cancer cells?
A. Cell death after a finite number of cell divisions
B. Contact with other cells increases likelihood of division
C. Large amount of telomerase present D. Do not care about cell density while culture
In a cell cycle
Select one:
a. DNA is replicated and passed to homologous chromosomes during interphase
b. DNA is replicated and passed to daughter cells during mitotic phase
c. DNA and RNA are replicated and passed to parent cells during interphase
d. DNA and RNA are replicated and passed to sister chromatids during mitotic phase
Chapter 8 Solutions
Campbell Essential Biology (7th Edition)
Ch. 8 - Which of the following is not a function of...Ch. 8 - In what sense are the daughter cells produced by...Ch. 8 - Why is it hard to observe individual chromosomes...Ch. 8 - A biochemist measures the amount of DNA in cells...Ch. 8 - What phases of mitosis are opposite in terms of...Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a dog contains 78...Ch. 8 - A micrograph of a dividing cell from a mouse shows...Ch. 8 - Prob. 9SQCh. 8 - Prob. 10SQ
Ch. 8 - Although nondisjunction is a random event, there...Ch. 8 - Prob. 12IMTCh. 8 - Prob. 13IMTCh. 8 - For each statement, identify which major theme is...Ch. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - You prepare a slide with a thin slice of an onion...Ch. 8 - Interpreting Data The graph shows the incidence of...Ch. 8 - If an endangered species can reproduce by...Ch. 8 - Every year, about a million Americans are...Ch. 8 - The practice of buying and selling gametes,...Ch. 8 - Prob. 21BS
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- Mitosis a. is division of the genetic material within the nucleus b. is the formation of sex cells c. creates diversity in genetic potential d. is always a part of the cell cyclearrow_forwardIf a cell has completed the first meiotic division and is just beginning meiosis II, which of the following is an appropriate description of its contents? a. It has half the amount of DNA as the cell that began meiosis. b. It has the same number of chromosomes but each of them has different alleles than another cell form the same meiosis. c. If has half the chromosomes but twice the DNA of the originating cell. d. It is identical in content to another cell form the same meiosis. e. It has twice the amount of DNA as the parent cell.arrow_forwardWhich of the following is/are reason(s) that sells an organism would undergo mitosis? A. During organismal growth(for multicellular organisms). B. During wound heal. C. When mutation develop in genes that caused the cell to self-destruct. D. To make haploid gametes.arrow_forward
- Haploid cells have copy/ies of each type of chromosome, while diploid cells have copy/ies of each chromosome. A. One; two B. Two; four C. Responses depend on whether the cell is undergoing mitosis D. Responses depend on what stage of the cell cycle the cell is inarrow_forwardAsaparrow_forwardThese items separate from each other during Anaphase of Mitosis. a. Sister chromatids b. Homologous chromosomes c. Genes d. The two parts of the cellarrow_forward
- A cell is shown during the anaphase stage of mitosis. Which of the following statements best explains what would be different if the diagram showed anaphase I of meiosis instead of anaphase of mitosis? Select one: a. Homologous chromosomes would be moving to the same end of the cell. b. Homologous chromosomes would form a tetrad. c. Each chromosome would have two sister chromatids. d. The sister chromatids would be pulled apart.arrow_forwardThe drug colchicine prevents the spindles microtubules from forming or growing. What would happen in mitosis to a cell that was given colchicine throughout mitosis? A. The chromosomes would not condense B. The nuclear envelope would not dissolve C. The chromosomes would not line up for metaphase D. The chromosomes would line up for metaphase but would not pull apart in anaphase.arrow_forward1) What phase of mitosis is this? Answer: 2) What is the indicated structure 1? select one. a. chromosome b. chromosome with two sister chromatids c. centrioles/centrosome d. spindle fibres e. metaphase plate 3)If the diploid (2n) number of this cell is 8 how many chromosomes are present? 4) If the diploid (2n) number of this cell is 8 how many sister chromatids are present? 5) If the diploid (2n) number of this cell is 8 how many homologous pairs are present?arrow_forward
- A scientist is analyzing the effects of a newly discovered cellular compound. She obtains two samples of diploid cells (2n), each with the same number of cells, and places sample 1 in a saline solution and sample 2 in a saline solution containing the newly discovered compound. She then incubates the cells for 24 hours. A bar graph of the results is shown below. Explain how the compound most likely affected the cell’s progression through the cell cycle, and predict the relative number of cells found in each sample when the results were observed. Support your claims with evidence from the experiment.arrow_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_forwardAll of the following is significant application of mitosis except. a. Cloning b. Budding c. Formation of Gametes d. Stem Cell Regeneration If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochorearrow_forward
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