Chapter 5 extra credit – Flashcards
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In which stage of the Cell cycle do the nucleus and its contents divide
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Mitosis
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During the gap 1 stage of the cell cycle a cell
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carries out normal functions
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Which of the following phrases best describes cytokinesis
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division of cytoplasm
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Which statement is true about the rates of cell division in eukaryotes
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They vary greatly within an organism
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Which of the following limits the maximum size of a cell
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The ratio of cell surface area to volume
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The processes of mitosis and cytokinesis produce two identical
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Daughter Cells
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The process of organizing and condensing DNA into its compact form takes place at the start of
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mitosis
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During which phase of mitosis do sister chromatids separate from each other
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Anaphase
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What is the term for the programmed death of cells
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apoptosis
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Which phrase best describes cancer
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uncontrolled cell growth
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Substances known to produce or promote cancer are called
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carcinogens
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The most common from of reproduction among prokaryotes is
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Binary Fission
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What is the main difference between binary fission and mitosis
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Binary fission occurs in single celled organisms only
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Which of the following statements is true of asexual reproduction
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it produces genetically identical offspring
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Which sequence shows the progression from least complex structure to most complex structure
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Cell to Tissue to Organ to Organ System
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Which phrase best describes an organ system
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Group of organs that work together
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Stem cells are important to multicellular organisms because of their
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capacity to differentiate
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Which type of stem cell can grow into any other cell type
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totipotent
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Before a cell can proceed to mitosis from the gap 2 stage of the cell cycle it must
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Pass a critical checkpoint
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During interphase a cell grows duplicates organelles and...
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copies DNA
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Why do the cells lining the stomach divide more quickly than those in the liver
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They undergo more wear and tear
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During which of the following stages shown does the cytoplasm of a cell divide
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Mitosis
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Which statement describes the chromosome shown in figure 5.2 (Its a combined chromosome)
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It is made up of two chromatids
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Which of the following is true of malignant tumors
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They can cause tumors in other party of the body
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One difference between a cancer cell and a normal cell is that
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Cancer cells divide uncontrollably
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Which statement about the process of binary fission is true
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It does not take place in multicellular organisms
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Cells in a developing embryo differentiate based on
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Their location in the embryo
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What does a cell make during the synthesis stage of the cell
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A copy of DNA
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The gap 1, gap 2 and synthesis stages of the cell cycle make up
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Interphase
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Multicellular organisms use mitosis for growth, development and...
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repair
