Campbell Essential Biology with Physiology (6th Edition)
6th Edition
ISBN: 9780134711751
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 is the purpose of mitosis?
a
It ensures that new nuclei have an exact copy of DNA.
b
It ensures the reproduction of mitochondria and chloroplasts.
c
It guarantees that each daughter cell has half the amount of DNA of parent cells.
d
It prevents the occurrence of cancer cells.
Which of the following is the main reason why DNA must exist in chromosome form?
a.)To favor the formation of sister chromatids
b.)To allow the protein histones to carry out its task
c.)To avoid the genetic material to be tangled away during cell division
d.)To promote the formation of spindle fibers
Which of the following is not a reason for mitosis?
A. Keep cells small
B. Replace damaged cells
C. Produce new genes and traits
D. Growth of organisms
Chapter 8 Solutions
Campbell Essential Biology with Physiology (6th Edition)
Ch. 8 - Which of the following is not a function of...Ch. 8 - In what sense are the two daughter cells produced...Ch. 8 - Prob. 3SQCh. 8 - A biochemist measures the amount of DNA in cells...Ch. 8 - Which two phases of mitosis are essentially...Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a dog contains 78...Ch. 8 - Prob. 8SQCh. 8 - Prob. 9SQCh. 8 - A diploid body (somatic) cell from a fruit fly...
Ch. 8 - Prob. 11SQCh. 8 - Prob. 12IMTCh. 8 - Prob. 13IMTCh. 8 - Prob. 14IMTCh. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - Prob. 16PSCh. 8 - Interpreting Data The graph in the right hand...Ch. 8 - As described in the Biology and Society section,...Ch. 8 - Prob. 19BSCh. 8 - Prob. 20BSCh. 8 - Prob. 21BS
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- The individual chromosomes become visible with a light microscope during which stage of mitosis? a. prophase b. prometaphase c. metaphase d. anaphasearrow_forwardYou add a chemical to five samples of cells and have another five samples of cells to which you do not add the chemical. You wait 10 minutes and then stain all ten samples of cells and observe if they have entered mitosis or not? What is the dependent variable? Group of answer choices A) If the cells entered mitosis or not B) The number of samples of the cells C) The length of time before stainingg D) If the cells are treated with the chemical or notarrow_forwardYou add a chemical to five samples of cells and have another five samples of cells to which you do not add the chemical. You wait 10 minutes and then stain all ten samples of cells and observe if they have entered mitosis or not? What is the independent variable? Group of answer choices A) If the cells entered mitosis or not B) The staining of the cells C) The 10 minute wait after staining D)If the chemical was added or notarrow_forward
- What is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis? A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells. B. A cleavage furrow is not formed in plant cells due to the rigid cell wall. C. Plant cells do not have DNA and animal cells do. D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.arrow_forwardThe chromosomes become visible under a light microscope during which stage of mitosis? a. prophase b. prometaphase c. metaphase d. anaphasearrow_forwardMeasurements of the amount of DNA per nucleus were taken on a large number of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picograms per nucleus. One nucleus had 5 picograms of DNA. What stage of the cell cycle was this nucleus in?arrow_forward
- What is the role of cohesin proteins in cell division? a. They organize the DNA of the chromosomes into highly condensed structures. b. They hold the DNA of the sister chromatids together. c. They help the cell divide into two daughter cells. d. They connect microtubules and chromosomes.arrow_forwardIn mitosis, chromosomes separate by which specific mechanism? A. chromosomes sprout flagella and begin to swim towards the ends of the cell B. molecular motors in the kinetochore move the chromosome toward the centrioles C. centrioles attract the chromosomes by electromagnetic attraction D. centrioles begin to shorten microtubules by degrading themarrow_forwardThe metaphase to anaphase transition involves a. new force being generated to pull the chromatids apart. b. an increase in force on sister chromatids to pull them apart. c. completing DNA replication of centromeres allowing chromosomes to be pulled apart. d. loss of cohesion between sister chromatids.arrow_forward
- At which point in the cell cycle are cells the smallest? a. the beginning of G1 b. S c. G2 d. the beginning of mitosisarrow_forwardIn the mitosis experiment, in what stage were most of the onion root tip cells in? Based on what you know about cell cycle division, what does this imply about the life span of a cell? Were there any stages of the cell cycle that you did not observe? How can you explain this using evidence from the cell cycle?arrow_forwardMitosis results in each cell: A. receiving exact copies of all chromosomes of original cell B. donating repaired chromosomes to the original cell C. receiving exactly half of the chromosomes of original cell D. doubling the number of chromosomesarrow_forward
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cell division of meiosis and mitosis; Author: Stated Clearly;https://www.youtube.com/watch?v=A-mFPZLLbHI;License: Standard youtube license