Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 4TYU
The molecular tether that links sister chromatids of a duplicated chromosome to each other is (a) condensin (b) actin (c) myosin (d) cohesin (e) actomyosin
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A chiasma links a pair of (a) homologous chromosomes at prophase II (b) homologous chromosomes at late prophase I (c) sister chromatids at metaphase II (d) sister chromatids at mitotic metaphase (e) sister chromatids at metaphase I
Homologous chromosomes are (a) the same thing as sister chromatids. (b) a pair of chromosomes of the same kind. (c) identical copies of the same chromosome. (d) always haploid.
(a) Starting with a fertilized egg (zygote), a series of five cell
divisions would produce an early embryo with how many
cells?
(b) If there are 20 chromatids in a cell, how many centromeres
are there? Explain your
answer.
(c) Diagrammatically, show a metacentric chromosome in G1
phase of the cell cycle and in G2 of the cell
cycle.
(d) A cell containing 92 chromatids at metaphase of mitosis
would, at its completion, produce two nuclei containing
how many chromosomes?
(e) If cells in the process of dividing are subjected to
colchicine, a drug that interferes with the functioning of the
spindle apparatus, at which stage will mitosis be
arrested?
Chapter 10 Solutions
Biology (MindTap Course List)
Ch. 10.1 - Discuss the significance of chromosomes in terms...Ch. 10.1 - Explain how DNA is packed into chromosomes in...Ch. 10.1 - What are the informational units on chromosomes...Ch. 10.1 - How is the large discrepancy between DNA length...Ch. 10.2 - Identify the stages in the eukaryotic cell cycle...Ch. 10.2 - Describe the structure of a duplicated chromosome,...Ch. 10.2 - Prob. 5LOCh. 10.2 - Prob. 1CCh. 10.2 - What are the stages of mitosis, and what happens...Ch. 10.3 - Prob. 6LO
Ch. 10.3 - What are cell-cycle checkpoints?Ch. 10.3 - Prob. 2CCh. 10.4 - Prob. 7LOCh. 10.4 - Distinguish between haploid and diploid cells, and...Ch. 10.4 - Prob. 9LOCh. 10.4 - 10.2 What are the stages of mitosis, and what...Ch. 10.4 - Prob. 1CCh. 10.4 - Prob. 2CCh. 10.4 - Can haploid cells divide by mitosis? by meiosis?Ch. 10.5 - Prob. 11LOCh. 10.5 - Prob. 1CCh. 10.5 - Prob. 2CCh. 10 - A nucleosome consists of (a) DNA and scaffolding...Ch. 10 - Test Your Understanding 2. At which of the...Ch. 10 - In a cell at __________, each chromosome consists...Ch. 10 - The molecular tether that links sister chromatids...Ch. 10 - In an animal cell at mitotic metaphase, you would...Ch. 10 - A diploid nucleus at early mitotic prophase has...Ch. 10 - You would expect to find a synaptonemal complex in...Ch. 10 - A chiasma links a pair of (a) homologous...Ch. 10 - VISUALIZE Sketch a mitotic prophase chromosome and...Ch. 10 - CONNECT Does the DNA content of the cell change...Ch. 10 - Fill out the following table for a cell with 5...Ch. 10 - Fill out the following table for a diploid cell...Ch. 10 - In questions 13 and 14, decide whether each is an...Ch. 10 - Prob. 14TYUCh. 10 - EVOLUTION link How does mitosis provide evidence...Ch. 10 - Prob. 16TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- a) In which stage of mitosis do chromosomes condense? (b) If a eukaryotic organism has a total of 34 chromosomes, how many pairs will the chromosomes be arranged in? (c) Define homologous chromosomes.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_forward1. The somatic cells of cabbage contain 14 chromosomes. How many are present in each cell at the stage of mitosis or meiosis indicated? (Assume cytokenesis to occur at mid- telophase). (a) chromatids at Anaphase-l (b) chromatids at Anaphase (c) chromosomes at Metaphase-l (d) chromosomes at the close of Telophase-I (e) chromosomes at Telophase II.arrow_forward
- A human cell containing 22 autosomes anda Y chromosome is(A) a sperm.(B) an egg.(C) a zygote.(D) a somatic cell of a malearrow_forward14) The plus-end of the microtubule (select all that apply) a) has the same structure as the minus-end b) connect to kinetochores in the mitotic spindle c) connect to centrosomes in the mitotic spindle d) have proteins that bind and change plus-end dynamics e) None of the abovearrow_forwardHuman cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes present in the particular cell.a) metaphase of mitosisb) metaphase I of meiosis c) telophase of mitosisd) telophase I of meiosis e) telophase II of meiosis (Remember that a pair of attached chromatids count as one chromosome.)arrow_forward
- 28. The physical structure that is formed when two chromatids cross over is called a(n) A) synaptomenal complex B) bivalent C) karyotype D) chiasmadoarrow_forwardIf chemical signals in the cytoplasm control the progression of a cell to the M phase of the cell cycle, then fusion of a cell in G1 with a cell in early M phase would most likely result in the (A) replication of chromosomes only in the G1 cell (B) exiting of both cells from the cell cycle and into the G0 phase (C) condensation of chromatin in preparation of nuclear division in both cells (D) transfer of organelles from the G1 cell to the cell in the M phase Please select the correct option. For the incorrect options, please explain why each one is incorrect. Thank you.arrow_forwardWhat events happen in telophase? a.) Chromatin coils and condenses, forming chromosomes b.) Chromosomes are V-shaped c.) The nuclear envelope reform d.) Chromosome stop moving towards the polls e.) Chromosomes line up in the center of the cell f.) The nuclear envelope fragments g.) The mitotic spinlde begins to formarrow_forward
- A cell in G1 of interphase has 8 chromatins. How many chromosomes and how many DNA molecules will be found per cell as this cell progresses through the following stages: a) metaphase b) anaphase c) after cytokinesis in mitosis d) metaphase I e) anaphase I f) metaphase II g) anaphase II h) after cytokinesis of meiosis IIarrow_forwardTelophase in Mitosis a ) Chromosomes begin to uncoil into chromatin. b) Nucleolus and nuclear membrane begin to reappear. c) Spindle slowly dissolves. d) In animal cells, cytokinesis occurs with a cleavage furrow dividing one cell into two cells. e) In plant cells, cytokinesis occurs with the formation of a cell plate. This plate divides the original cell into two cells and is part of the new cell wall.arrow_forwardNEED HELP What structure do animal cells have, and that plant cells do not have, that aids in Mitosis? Explain. a) nucleus b) centriole (c) spindle fibers d) chromatidsarrow_forward
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