Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Chapter 11, Problem 1SQ
Summary Introduction
Concept Introduction: Mitosis and cytokinesis (cytoplasmic division) results in the transfer of a parent cell genome into two daughter cells. Mitosis is preceded by the S stage of interphase and is followed by cytoplasmic division, which will divide the cytoplasm, organelles, and cell membrane into two daughter cells. Since the prokaryotic cells lack a nucleus, mitosis occurs only in the eukaryotic cells.
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In eukaryotic cells, the nuclear envelope has to disappear in order to directly permit _____.
A. the splitting of centrosomes
B. the attachment of microtubules to kinetochores
C. the extra condensation of chromosomes
D. cytokinesis
In the image, you can see one cell that is in the process of mitosis. (Note that chromosomes are stained dark blue.) In which stage is this cell currently?
A. Telophase
B. Metaphase
C. Interphase
D. Prophase
E. Cytokinesis
F. Anaphase
During cytokinesis, a contractile ring of actin microfilament forms the ______________ and pinches the cell apart.
A.
Kinetochores
B.
Cleavage furrow
C.
Equator
D.
Asters
Chapter 11 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 11 - HeLa Cells Are a Genetic Mess HeLa cells can vary...Ch. 11 - HeLa Cells Are a Genetic Mess HeLa cells can vary...Ch. 11 - HeLa Cells Are a Genetic Mess HeLa cells can vary...Ch. 11 - Prob. 1SQCh. 11 - A duplicated chromosome has how many chromatids?Ch. 11 - In the diagrams of the nucleus shown below, fill...Ch. 11 - Homologous chromosomes _______. a. are inherited...Ch. 11 - Most healthy body cells spend the majority of...Ch. 11 - The spindle attaches to chromosomes at the...Ch. 11 - Which is not a stage of mitosis? a. prophase b....
Ch. 11 - In intervals of interphase, G stands for ______....Ch. 11 - Interphase is the part of the cell cycle when...Ch. 11 - After mitosis the chromosome number of a...Ch. 11 - Cytoplasm of a plant cell divides by the process...Ch. 11 - Prob. 12SQCh. 11 - Match each stage with the events listed. _____...Ch. 11 - Prob. 14SQCh. 11 - Prob. 15SQCh. 11 - When a cell reproduces by mitosis and cytoplasmic...Ch. 11 - How is the human life cycle related to the cell...Ch. 11 - The photo on the left shows an early frog embryo...Ch. 11 - The cell above is a lung cell of a salamander. In...Ch. 11 - The eukaryotic cell at left is in the process of...Ch. 11 - Exposure to radioisotopes or other sources of...
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- After mitosis a ___ forms in animal cells, but a ___ forms in plant cells. A. vesicle; vacuole B. vacuole; cell plate C. cell plate; cleavage furrow D. cleavage furrow; cell platearrow_forwardIn the cells of some organisms, mitosis occurs without cytokinesis. This will result in a. cells with more than one nucleus b. destruction of chromosomes c. cells lacking nuclei d. cell cycles lacking an S phasearrow_forwardAccording to the theory of endosymbiosis, organelles, like mitochondria and chloroplasts, were once free-living cells that were absorbed into another cell. The relationship benefited both cells to stay together. What evidence do scientists observe today that supports the theory of endosymbiosis? Select all that apply. a There are ribosomes found inside mitochondria and chloroplasts just like there are inside cells. b Looking inside mitochondria and chloroplasts, one will find that they each contain their own DNA. c Mitochondria and chloroplasts are found inside all cell types. d Mitochondria and chloroplasts each have a membrane around them just like a cell would.arrow_forward
- During which of the following mitotic stages to microtubules shrink to pull chromosomes to the MTOC? a. Prophase b. Metaphase c. Anaphase d. Telophase e. Cytokinesisarrow_forwardAt what stage in mitosis do the sister chromatids line up along the midline of the cell? a. Metaphase b. Anaphase c. Telophase d. Prophasearrow_forwardMatch the following events with the stages in mitosis: chromosomal materials condenses to form compact chromosomes. alignment of chromosomes along the equator or plate with microtubules attached to poles sister chromatids for each chromosome split and move to opposite poles chromosomes are clustered at each of the poles and give way to cytokinesis A. telophase B. anaphase C. metaphase D. prophasearrow_forward
- Mitosis and cytoplasmic division function in .a. asexual reproduction of single-celled prokaryotesb. development and tissue repair in multicelledspeciesc. sexual reproduction in plants and animalsarrow_forwardOne of the following is not a function of ordinary cell division produces two daughter cells that are genetically identical Select one: a. Asexual reproduction of an organism b. Cell replacement c. Sexual reproduction d. Growth of an organismarrow_forwardDNA or deoxyribonucleic acid is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA. This, in turn, replicates in the non-dividing phase of the cell cycle which is a. telophase b. cytokinesis c. metaphase d. interphasearrow_forward
- Interphase is the part of the cell cycle when________ . a. a cell ceases to function b. a cell forms its spindle apparatus c. a cell grows and replicates its DNA d. mitosis proceedsarrow_forwardDuring this stage of mitosis, the chromatin coils to form chromosomes, the nuclear envelope disappears, the nucleolus dissolves, spindle fibers are formed, and the centrioles migrate to the poles. a. prophase b. metaphase c. anaphase d. telophasearrow_forwardWhich of the following statements is true of the cell cycle? a The current model of the cell cycle is made up of two main stages. b The cell cycle is a sequential pattern of cell growth, DNA replication, and cell division that takes place in prokaryotic cells. c Knowledge of the cell cycle has remained the same over the last several decades. d The cell cycle is often modeled as a circular diagram, because it is a continuous cycle.arrow_forward
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