Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 10TY
Why do cells within an organism differentiate, such that one cell may eventually become a liver cell and another will become an epithelial cell?
a. Cells differentiate because of differences in gene expression.
b. Cells differentiate because different genes within them encode for different proteins.
c. Cells differentiate because of crossing-over, a random process.
d. Cells differentiate because of differences in genetic code.
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Check out a sample textbook solutionStudents 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 gene program is described correctly?
A. Cell division is the process whereby identical cells begin to specialize into specific cell types.
B. Signal induction identifies important body axes such as anterior-posterior and dorsal-ventral.
C. Differentiation increases the number of cells, so an organism can grow larger.
D. Morphogenesis is the process whereby cells identify where they are in three-dimensional space.
Which statement about stem cells is
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A. Stem cells were first identified in the
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OB.Stem cells in organs can only
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Chapter 17 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 17 - How do you feel about the creation and then...Ch. 17 - How far should we go–to what lengths and at what...Ch. 17 - Describe how DNA is replicated before cell...Ch. 17 -
2. Compare and contrast the processes of...Ch. 17 - Explain what mutations are and the role of DNA...Ch. 17 - Name the four phases of mitosis and describe...Ch. 17 -
5. Explain why only one large egg is formed...Ch. 17 - Describe what is meant by selective gene...Ch. 17 - Explain how factors present in the environment can...Ch. 17 - Describe how ribosomes contribute to the formation...
Ch. 17 - Prob. 9CRCh. 17 - Prob. 10CRCh. 17 - What would be the outcome if a cell completed...Ch. 17 - Prob. 2TYCh. 17 - Prob. 3TYCh. 17 - Prob. 4TYCh. 17 - Which of the following are listed in order from...Ch. 17 - Prob. 6TYCh. 17 - Which is likely to be the shortest chain of...Ch. 17 - How many different amino acids could be encoded if...Ch. 17 - Prob. 9TYCh. 17 - Why do cells within an organism differentiate,...Ch. 17 - Which method of cloning is most similar to the way...Ch. 17 - Prob. 12TYCh. 17 - Prob. 13TYCh. 17 - Prob. 14TYCh. 17 -
15. How does the production of sperm differ from...Ch. 17 - Prob. 1AWKCh. 17 - Prob. 2AWKCh. 17 - Prob. 3AWKCh. 17 - Prob. 4AWKCh. 17 - Mitochondria contain their own DNA that is...Ch. 17 - Bacteria can reproduce by simple cell division....
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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
- 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_forwardWhat is a critical event that occurs during S phase of the cell cycle?a. Cells decide whether or not to divide.b. DNA replication produces pairs of sister chromatids.c. The chromosomes condense.d. The single nucleus is divided into two nuclei.arrow_forwardWhy is it easier to manipulate embryonic stem cells to differentiate into various tissues than it is to manipulate a typical adult cell? a. As cells develop, signaling pathways can cause some genes to be turned off during development. b. Adult cells have different DNA content than do embryonic stem cells. c. Emybronic stem cells pose less of a threat for organ rejection as do an individual s own adult cells. d. It is no easier to manipulate emybronic stem cells to differentiate into various tissues than it is to manipulate a typical adult cell.arrow_forward
- What is the function of the kinetochore during mitosis?a. It promotes the attachment of monads to each other toform a dyad.b. It is a location where a kinetochore microtubule can attachto a chromosome.c. It promotes the condensation of chromosomes duringprophase.d. Both a and b are correct.arrow_forwardWhat is the first thing that happens when a healthy cell detects damage to DNA? A. It stops the cell cycle B. It slows down the process of cell division C. It divides more quickly D. It becomes a benign tumorarrow_forwardUnpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophasearrow_forward
- If a cell containing 10 chromosomes divides by mitosis, how many daughter cells will be produced? a. 15 b. 2 c. 10 d. 20 e. 5arrow_forwardWhat occurs during the S phase of the cell cycle? a. The cytoskeleton is dismantled. b. The cell accumulates the building blocks of chromosomal DNA. c. Chromosomes are duplicated.arrow_forwardWhen an invasive cancer occurs? A. When genetic mutation occurs in a cell B. Cells are abnormal and tumor are still in contained within its tissue of origin C. When cell's descendants mutated and divide excessively and look abnormal. D. When some cells have additional mutations and allow tumors to invade other tissues through circulatory system As a doctor, you observed that patient X has speech delay and taller than the normal person. You suspected that patient X has Klinefelter syndrome. What test should be done? A. Karyotype, to see whether he has 3 chromosomes in chromosome 21 that causes the order B. Karyotype, to see whether he has 3 chromosomes in chromosome 18 21 that causes the order. C. Fertility, because person with Klinefelter syndrome is sterile due to testicular atrophy and gynecomastia D. Fertility, because person with Klinefelter syndrome is infertile due to underdeveloped sexual characteristics Ben was asked by his teacher what happens if there is an uncontrolled…arrow_forward
- In 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_forwardWhy are dominant mutations in proto-oncogenes generally not inherited? A. Inherited mutations in proto-oncogenes would not affect cell division rate B. Inherited mutations in proto-oncogenes would decrease cell division rate and no viable embryo would form C. Inherited mutations in proto-oncogenes would increase cell division rate and no viable embryo would form D. Dominant mutations in proto-oncogenes are always inheritedarrow_forwardIf 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?arrow_forward
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