Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 12, Problem 6TYK
In eukaryotic organisms, chromosomes are duplicated
- a. before mitosis.
- b. after mitosis.
- c. during mitosis.
- d. before or after mitosis—it depends on what kind of organism you’re talking about.
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Students have asked these similar questions
The end result of mitosis and cytokinesis is
A) two cells, each with half the number of chromosomes as the mother cell
B) three cells, one of which is twice the size of the other two
C) two cells identical in size and genetic material
D) two cells identical in genetic material, but one is smaller than the other
These items separate from each other during Anaphase of Mitosis.
a. Sister chromatids
b. Homologous chromosomes
c. Genes
d. The two parts of the cell
Mitosis 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 chromosomes
Chapter 12 Solutions
Study Guide for Campbell Biology
Ch. 12 - a. How many chromosomes are in your somatic cells?...Ch. 12 - a. What event is common to all three subphases of...Ch. 12 - The following diagrams will depict the five stages...Ch. 12 - a. What is MPF? b. Describe the relative...Ch. 12 - In the following photomicrograph of onion root tip...Ch. 12 - Describe one chromosome as it proceeds through an...Ch. 12 - Draw a sketch of one half of a mitotic spindle....Ch. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - Prob. 3TYKF
Ch. 12 - Prob. 4TYKFCh. 12 - Prob. 5TYKFCh. 12 - Prob. 6TYKFCh. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - Prob. 8TYKFCh. 12 - Prob. 9TYKFCh. 12 - FILL IN THE BLANK: Identify the appropriate phase...Ch. 12 - One of the differences between prokaryotic binary...Ch. 12 - Prob. 2TYKCh. 12 - Prob. 3TYKCh. 12 - Prob. 4TYKCh. 12 - Prob. 5TYKCh. 12 - In eukaryotic organisms, chromosomes are...Ch. 12 - Prob. 7TYKCh. 12 - Prob. 8TYKCh. 12 - Prob. 9TYKCh. 12 - Prob. 10TYKCh. 12 - During cell division, cyclin combines with...Ch. 12 - Prob. 12TYKCh. 12 - Prob. 13TYKCh. 12 - Prob. 14TYKCh. 12 - Vinblastine is a chemotherapeutic drug used to...
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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_forwardIn eukaryotic chromosomes, DNA wraps around _________. a. histone proteins c. centromeres b. sister chromatids d. nucleosomesarrow_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_forward
- Which statement about eukaryotic chromosomes entering mitosis is NOT true?a. They enter as two chromatids.b. They enter with a single centromere.c. They are soon visible under the light microscope.d. Their DNA is not yet replicated.arrow_forwardWhich 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 fibersarrow_forwardProphase is the stage of mitosis characterized by the a. physical seperation of sister chromatids b. appearance of visible chromosomes c. occurrence of cytokinesis d. alignment of chromosomes at center of cellarrow_forward
- You 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_forwardA bivalent consists of: A Two chromatids and one centromere B Four chromatids and two centromeres C Two chromatids and two centromeres D Four chromatids and four centromeresarrow_forwardIn eukaryotes, the genetic material is found in chromosomes,a. and the more complex the organism, the more pairs of chromosomes it has.b. and many organisms have only one chromosome.c. and most eukaryotes have between 10 and 50 pairs of chromosomes.d. and most eukaryotes have between two and 10 pairs of chromosomes.arrow_forward
- The 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_forwardWhat 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 of a cell are lined up along the equatorduringa. prophase.b. metaphase.c. anaphase.d. telophase.arrow_forward
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