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Q 1/68
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Cell division is vital for all
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living organisms
Q 2/68
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Cell division always involves ________ main processes:
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68 questions
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Cell division is vital for all
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Q.
Cell division always involves ________ main processes:
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Cell division is the only process that can create new cells.
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Asexual reproduction is for multicellular organisms.
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What type of organisms are unicellular and reproduce through binary fission?
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What type of organism undergoes cell division to produce growths from their bodies which eventually fall off and become cloned offspring?
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Autotomy is when an organism reproduces without seeds or spores.
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An example of an organism that reproduces through autotomy is?
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What type of reproduction occurs when plants reproduce without seeds or spores?
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What is an example of an organism produced by vegetative reproduction?
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In sexual reproduction, cell division is required to make gametes like sperm and eggs.
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In sexual reproduction, cell division is required to allow the multiple divisions needed to create a unicellular organism.
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To reach adult size many organisms have to perform cell division once after all essential body parts have formed.
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Repair and maintenance are used in multicellular organisms.
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Growth and development are found in unicellular organisms.
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To create identical daughter cells, this type of cell division must involve DNA replication and a process called
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What represents the processes that occur between one cell division and the next cell division in a cell's life?
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What is not a main stage of the cell cycle?
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The cell spends most of its life here performing its specialized functions and then prepares for cell division when the time comes.
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Which phase is where the cell grows after division to reach full size (it may double in size).
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Which phase is the longest part of the cell cycle for most cells except for fast dividing cells?
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What are examples of fast dividing cells?
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In what phase do some cells never divide and stop progressing through the cell cycle?
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Which is not an example of a cell in G0 Phase?
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What phase is DNA replicated creating two identical copies of each chromosome and the centriole pair also duplicates?
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What phase does the cell prepare for mitosis by undergoing rapid growth of its cytoplasm?
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The cell increases the synthesis of __________________ needed to make the ________________ used in mitosis.
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What occurs if replication errors are left undetected and unfixed before mitosis?
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Humans have ______ chromosomes in their somatic cells.
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How many main stages does mitosis break down into?
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What is the process that divides the cytoplasm in half to create two separate daughter cells?
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In animal cells, a _______________ forms to constrict the cell membrane in the middle of the cell and divide it.
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In plant cells, the _____________ makes cytokinesis more challenging.
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Instead of making a cleavage furrow, a plant cell makes a _____________ in the middle of the cell.
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The cell plate is made up of ______________ which contain the material needed to build the cell wall.
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In G2 phase the DNA has not condensed which means it is still ___________ and _____________.
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What is the long thread-like form of DNA called?
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What are the two identical sides of each duplicated chromosome called?
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The two sister chromatids are connected together at a region of the chromosome called the
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The centromere is where protein structures called ____________ assemble on either side of the sister chromatids.
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What are the proteins filaments that serve various different functions within a cell called?
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When microtubules are used in in mitosis or meiosis, they can specifically referred to as
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Centrosomes are found in plant and animal cells.
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In what phase do centrosomes begin to migrate to opposite poles?
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In what phase do spindle fibers being to form between the two centrosomes?
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In what phase does the nuclear membrane begin to dissolve?
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In what phase does the chromatin begin to condense and become shorter, thicker, and visible?
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In what phase does the nucleolus begin to disappear?
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In what phase does the nuclear membrane almost completely dissolve which allows the spindle fibers access to the duplicated chromosomes?
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In what phase has the nucleolus fully disappear?
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In what phase does the kinetochore spindle fibers reach through the dissolving nuclear membrane and attach to the kinetochores of each duplicated chromosome?
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In what phase does the equatorial plate appear?
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All of the different types of spindle fibers help form a network of fibers called the
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In what phase are the centrosomes fully migrated to opposite poles?
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In what phase is the spindle apparatus completely formed?
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In what phase is the nuclear membrane fully dissolved?
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In what phase have the spindle fibers lined up the duplicated chromosomes along the equatorial plate so that each sister chromatid of a duplicated chromosome faces opposite poles?
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In what phase are the chromosomes thick, short, and at their most condensed?
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Chromosomes photographed for ________________ are taken during metaphase because it is easy to obtain images of the chromosomes
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In what phase does each chromatid become its own chromosome once separation has occurred?
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In what phase do the kinetochore spindle fibers shorten and pull the attached sister chromatids apart at the centromere towards opposite poles?
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In what phase do the polar spindle fibers push against each other to elongate the cell and further separate the sister chromatids?
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_________________ is the phase where essentially the reverse of prophase occurs?
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In what phase does the spindle apparatus begin to disassemble?
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In what phase do the chromosomes become long and thin by decondensing and reverting back to their chromatin structure?
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In what phase does the nuclear membrane begin to reform around each set of chromosomes?
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In what phase does the nucleolus reappear in each nucleus?
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Q.
In what phase does a cleavage furrow (or cell plate in plant cells) begin to form which signals the beginning of cytokinesis which will separate the two new daughter cells?