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| 1.
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If a group of organs work together to perform a specific job, what are they called? 5.a
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| | A) | helper organs |
| | B) | an organism |
| | C) | an organ system |
| | D) | tissue systems |
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| 2.
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A multicellular organism has ________. 5.a
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| | A) | a single cell |
| | B) | complex organization |
| | C) | simple organization |
| | D) | organelles without membranes |
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| 3.
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During prophase, the two centrioles __________. 1.e
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| | A) | help plant cells develop |
| | B) | disintegrate during the process |
| | C) | turn into chromosomes |
| | D) | move to opposite ends of the cell |
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| 4.
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Which of the following is NOT an organ? 5.a
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| | A) | blood tissue |
| | B) | skin |
| | C) | bones |
| | D) | the heart |
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| 5.
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The process in which cells become different kinds of cells is _______. 1.f
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| | A) | cell differentiation |
| | B) | cell cycle |
| | C) | specialized cell |
| | D) | connective cells |
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| 6.
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Which is often true of differentiated cells? 1.f
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| | A) | They are identical to other cells. |
| | B) | They function the same as other cells. |
| | C) | They have the same shape as other cells. |
| | D) | They have structures that are different from other cells. |
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| 7.
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During which stage of mitosis does sister chromatids separate? 1.e
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| | A) | interphase |
| | B) | anaphase |
| | C) | metaphase |
| | D) | telophase |
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| 8.
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The final step in the mitosis process for animal cells is _________. 1.e
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| | A) | interphase |
| | B) | centrioles |
| | C) | telophase |
| | D) | chromosomes |
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| 9.
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__________ is a group of similar cells that work in unison to perform one function. 5.a
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| | A) | A nucleus |
| | B) | A lysosome |
| | C) | A vacuole |
| | D) | A tissue |
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| 10.
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What process replaces the cells when you cut your finger? 1.e
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| | A) | chromosome replication |
| | B) | reproduction |
| | C) | mitosis and cell division |
| | D) | red blood cells |
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| 11.
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The process of the cell cycle where the nucleus divides to create two identical nuclei is called __________. 1.e
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| | A) | mitosis |
| | B) | DNA |
| | C) | interphase |
| | D) | mutation |
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| 12.
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Why might a cell use mitosis to divide? 1.e
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| | A) | to produce sperm |
| | B) | to produce sex cells |
| | C) | so fertilization can take place |
| | D) | to replace aging or injured cells |
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| 13.
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Which of these is the result of mitosis? 1.e
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| | A) | 2 daughter cells, each with one half the chromosomes of the original cell. |
| | B) | 2 daughter cells, each with the same number of chromosomes as the original cell. |
| | C) | 1 daughter cell with the same number of chromosomes as the original cell. |
| | D) | 1 daughter with one half the chromosomes of the original cell. |
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| 14.
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Palm trees and pandas have __________. 5.a
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| | A) | prokaryotic cells |
| | B) | cells of only one size |
| | C) | eukaryotic cells |
| | D) | a single cell |
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| 15.
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Cells reproduce, grow, and develop. This is know as _______. 1.e
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| | A) | shedding |
| | B) | mitosis |
| | C) | multicellular |
| | D) | cell cycle |
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| 16.
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Put the level of organization in order from smallest to largest. 5.a
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| | A) | cells, tissues, organs, and organ systems |
| | B) | organ system, organs, tissues, and cells |
| | C) | organs, tissues, cells, and organ system |
| | D) | cells, organs, tissues, and organ systems |
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| 17.
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During _____ the nucleus divides. During _______ the cytoplasm divides. 1.c
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| | A) | mitosis, cytokinesis |
| | B) | cytokinesis, mitosis |
| | C) | mitosis, mitosis |
| | D) | cytokinesis, cytokinesis |
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| 18.
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Which shows the correct stages of mitosis from start to finish. 1.e
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| | A) | telophase, anaphase, metaphase, prophase |
| | B) | metaphase, anaphase, prophase, telophase |
| | C) | telophase, metaphase, anaphase, prophase |
| | D) | prophase, metaphase, anaphase, telophase |
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| 19.
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Which of the following is an organ? 5.a
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| | A) | nerve tissue |
| | B) | stomach |
| | C) | blood tissue |
| | D) | muscle tissue |
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| 20.
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Groups of similar cells that all do the same sort of work are called __________. 5.a
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| | A) | organ systems |
| | B) | organs |
| | C) | tissues |
| | D) | cell systems |
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