EBK HUMAN BIOLOGY
8th Edition
ISBN: 8220102019683
Author: 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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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 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.
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.
Chapter 17 Solutions
EBK HUMAN BIOLOGY
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
- When does chromosomal nuclear DNA, which is found inside the nucleus of a eukaryotic cell, replicate? A. All types of eukaryotic cell in a human organism replicates throughout their life span. B. It only replicates during the S phase (synthesis phase) of the cell cycle. C. The chromosomal DNA only replicates once throughout their lifetime. D. It replicates during the G1 and G2 phases of the M(mitosis) phase of Meiosis.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_forwardWhich of these things happens in meiosis but Not mitosis? A. sister chromatids separate from each other B. diploid daughter cells are formed C. homologous chromosomes pair uparrow_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_forwardIf 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_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_forwardEven though the processes are very similar, mitosis and meiosis are two very distinct processes. What is the difference between meiosis and mitosis? a. Mitosis results in two identical sister cells genetically identical to the original parent cell, while meiosis also starts with diploid but results in haploid cells. b. Mitosis only occurs in plants and single cell organisms, while meiosis only occurs in animals. c. Mitosis starts with diploid but results in haploid cells, while meiosis results in two identical sister cells genetically identical to the original parent cell.arrow_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
- When does DNA replication occur during meiosis? a. during telophase b. during prophase I c. during anaphase and telophase d. during interphase before meiosis I beginsarrow_forwardA chromosomal mutation that occurs during meiosis may or may not be expressed in an organism’s offspring. A similar mutation that only occurs during mitosis of a body cell will not be expressed in the organism’s offspring. Evaluate these claims. Determine whether or not they are true, and explain your reasoning.arrow_forwardA cell in metaphase of mitosis has 20 chromosomes. Therefore, this cell has 40 chromatids. The same cell will have how many chromosomes at anaphase of mitosis? A. 10 B. 40 C. 60 D. 20arrow_forward
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