Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 8TYK
You obtain an egg cell from the ovary of a white mouse and remove the nucleus from it. You then obtain a nucleus from a liver cell from an adult black mouse. You use the methods of nuclear transplantation to insert the nucleus into the empty egg. After some prompting, the new zygote divides into an early embryo, which you then implant into the uterus of a brown mouse. A few weeks later, a baby mouse is born. What color will it be? Why?
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In 1997, Dolly the sheep was cloned by a technique called somatic-cell nuclear transfer (or nuclear-transfer cloning). A nucleus from an adult mammary cell was transferred into an egg from which the nucleus had been removed. The egg was allowed to divide several times in culture, then the embryo was transferred to a surrogate mother who gave birth to Dolly. Dolly died in 2003 after mating and giving birth herself to viable offspring. What does the creation of Dolly tell us about the potential of nuclear material derived from a fully differentiated adult cell? Does the creation of Dolly tell us anything about the potential of an intact, fully differentiated adult cell?
The somatic stem cells are derived from source such as_________.a) Bone marrow, embryos, amniotic fluid and umbilical cord b) Embryos, bone, knee, foetus c) Bone marrow, fluid, umbilical cord, joint cells d) Embryo, foetus, umbilical cord, fluid.
1) Examine the picture of an onion root tip with cells in various stages of the cell cycle. A student claims that interphase is the longest stage of the cell cycle. Another student claims that mitosis is the longest stage. Using evidence from the photo, determine which student is correct and why.
A) Mitosis is the longest stage because anaphase requires more time to separate chromatids.
B) Interphase is the longest stage because chromosomes are visible in the majority of the cells.
C) Mitosis is the longest stage because the majority of the cells in the photo are replicating their DNA.
D) Interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing.
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Chapter 11 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 11 - Complete the following concept map to test your...Ch. 11 - Level 1: Knowledge/Comprehension 2. Which of the...Ch. 11 - A homeotic gene does which of the following? a. It...Ch. 11 - Which of the following is a valid difference...Ch. 11 - The control of gene expression is more complex in...Ch. 11 - Your bone cells, muscle cells, and skin cells look...Ch. 11 - Prob. 7TYKCh. 11 - You obtain an egg cell from the ovary of a white...Ch. 11 - Mutations can alter the function of the lac operon...Ch. 11 - A mutation in a single gene may cause a major...
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- 3) At the completion of meiosis, how many sets of chromosomes does each daughter cell contain? 1 2 3 4 4) Imagine that a cell within a tissue is expressing a protein that leaves the cell and can “signal” to other cells. Which cells will respond? A) Cells that are within range of the signaling molecule and have protein receptor that binds the signaling molecule B) Cells that are within range of the signaling molecule C) Cells that are within range of the signaling molecule and are expressing their own signaling molecules D) Cells that are within range of the signaling molecule and are the same type of cellarrow_forwardYou isolate a cell from a yeast species (a eukaryote) where n = 8, apply a chemical that forces chromosomes to condense, and then make a karyotype. You observe a cell with 16 DNA molecules. The stage of this cell: (A) [Select] [ Select] (B) [Select] and each chromosome is made up of [Select] [Select] (C) [Select] be G1 of the cell cycle, because at that stage the cell is O [Select] and so has [Select] and each chromosome is made up of [Select] and so has [Select] be Metaphase of Mitosis, because at that stage the cell is chromosomes and so has [Select] chromatid(s). and each chromosome is made up of [Select ] chromosomes chromatid(s). ✪ be Prophase II of Meiosis, because at that stage the cell is ↑ chromosomes ? chromatid(s),arrow_forwardIn cell division, each chromosome is copied entirely. a.) true b.) falsearrow_forward
- MULTIPLE CHOICE If a liver cell in an insect contains 24 chromosomes, how many chromosomes are found in its sperm? a.) 6 b.) 12 c.) 24 d.) 48arrow_forward3) Examine the graph showing the relative percentage normal and cancer cells spend in various stages of the cell cycle. Based on the information in the graphs, infer how cancer cells differ from typical, noncancerous cells. Select ALL that apply. A) Cancer cells do not replicate their DNA. B) Cancer cells replicate their DNA too quickly. C) Cancer cells do not go through interphase during their cell cycle. D) Cancer cells spend more time dividing compared to typical cells. E) Cancer cells do not always grow to the same size as typical cells. more than 1 answer. not gradedarrow_forwarda) 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_forward
- Which set of daughter cells would result if the parent cell shown at left underwent mitosis? A) A B) B C) C D) Darrow_forwardHuman cells normally have 46 chromosomes. For each of the following stages, state the number of chromosomes and the number of DNA molecules found in these chromosomes that are present in a human cell. a) Metaphase of mitosis Metaphase I of meiosis c) Telophase of mitosis (after cytokinesis)arrow_forwardA cell has 30 chromosomes before mitosis. After the completion of mitosis, the two daughter cells would have how many chromosomes in EACH? a). 30 b). 20 c). 15 d). 60arrow_forward
- There are 40 chromosomes in somatic cells of the house mouse. (a) How many chromosomes does a mouse receives from its father? (b) How many autosomes are present in a mouse gamete? (c) How many sex chromosomes are in a mouse ovum? (d) How many autosomes are in somatic cells of a female?arrow_forwardA Common Wombat has 14 chromosomes in one of its somatic (nonreproductive) cells. One of these cells goes into mitosis. How many cells result, and how many chromosomes does each one of these cells have?arrow_forward1). A diploid somatic cell from a dog (Canis lupus familiaris) has a total of 78 chromosomes (2n = 78). As in humans, sex chromosomes determine sex: XX in females and XY in males. a) What is the total number of DNA molecules in G2 of the cell cycle? b) What is the total number of sister chromatids during prometaphase? c) What is the total number of telomeres in a somatic dog cell in G1? d) What is the total number of autosomes?arrow_forward
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