Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 19, Problem 1A
What is the common theme in cell determination by induction or cytoplasmic determinants?
a. The activation of transcription factors
b. The activation of cell division
c. A change in gene expression
d. Both a and c are correct.
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Students have asked these similar questions
In eukaryotic cells, which occurs during the prophase of mitosis?
A. appearance of the nuclear envelope
B. breakup of the nuclear envelope
C. replication of DNA
D. separation of sister chromatids
E. duplication of chromatids
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.
Short Answer: In the cell cycle is cell division the same in all cell types? Explain
Chapter 19 Solutions
Biology
Ch. 19 - During development, cells become a. differentiated...Ch. 19 - Prob. 2UCh. 19 - Prob. 3UCh. 19 - Prob. 4UCh. 19 - Plant meristems a. are only present during...Ch. 19 - Prob. 6UCh. 19 - The process of nuclear reprogramming a. is a...Ch. 19 - What is the common theme in cell determination by...Ch. 19 - The process of reproductive cloning a. shows that...Ch. 19 - Prob. 3A
Ch. 19 - Prob. 4ACh. 19 - The genes that encode the morphogen gradients in...Ch. 19 - What would be the likely result of a mutation of...Ch. 19 - MADS-box, and Hox genes are a. found only in...Ch. 19 - The fate map for C. elegans (refer to figure 19.3)...Ch. 19 - Prob. 2SCh. 19 - You have generated a set of mutant embryonic mouse...Ch. 19 - Assume you have the factors in hand necessary to...
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- Which process leads to independent assortment? a)The process of separating chromosomes b)The random alignment of homologs with respect to the others on the metaphase plate c)The process of forming the mitotic spindle d)The process of cytokinesisarrow_forwardWhich could lead to uncontrolled growth in cancer? A. A nonfunctional E2F protein B. The overexpression of MPF activity C. A nonfunctional Rb protein D. The overexpression of G1 cyclinarrow_forwardWhich describes a role for the kinetochore microtubules during mitosis? Polymerization drives anaphase A. Depolymerization drives anaphase B. Depolymerization drives anaphase A. Depolymerization drives separation of centrosomes (spindle poles) during prometaphase.arrow_forward
- How do Cyclins work? a. They are kinases that phosphorylate key proteins at different points in the cell cycle. b. They are transcription factors that regulate the transcription of genes required at different stages of the cell cycle. c. They stop progression of cells through the cell cycle. d. They bind and activate kinases related to progress through the cell cycle.arrow_forwardA) Use the terms/ Phrases in the list provided to NAME the cell components B) Use the terms/ Phrases in the list provided to list the FUNCTION the labeled cell componentarrow_forwardwhat cellular process listed below may involve mitosis? a) producing ATP b) producing sperm c) making enzymes d) replacing red blood cellsarrow_forward
- Why is there a need to produce diploid type of cell at the of cell division? a.)So that the cells produced are exact copy of the parent cell b.)So that abnormalities of the cell will be avoided c.)So that the purpose of growth happens in the organism d.)So that the copy of DNA is retainedarrow_forwardWhich statement is NOT true about mitosis? A Mitosis uses a 2n parent cell to form daughter cells containing 1n chromosomes.Mitosis is a process that duplicates and divides the nuclear contents only. B Mitosis produces two daughter cells that contain the same number of chromosomes as the parent cell. C Mitosis uses a 2n parent cell to form daughter cells containing 1n chromosomes. D Mitosis is nuclear division plus cytokinesis.arrow_forwardAnswer the following with respect to Caner.(a) How does a cancerous cell differ from a normal cell?(b) Benign tumor is less dangerous than malignant tumor. Why(c) Describe causes of cancer.(d) mention two methods of treatment of the disease.arrow_forward
- What do you predict would happen in a cell that only underwent the M and S phases of the cell cycle, without the G1 and G2 phases? Give details in your answer that demonstrate you understand the cell cycle.arrow_forwardThere are anticancer that are used to prevent the formation of spindle fibers. Why do you think this is effective in treating cancer? What might happen if certain phases of the cell cycle do not function well? Make a reflective essay about cell division.arrow_forwardWhat 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_forward
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