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Biology Name Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. Cells reproduce in a process called ____________________, which is B2.1 use appropriate terminology split into two main parts. During the first part, called _______________, related to cells the cell absorbs nutrients and grows until it is twice as big. During this Word List time it also copies its DNA. Once the cell is big enough it begins the anaphase biphase cell cycle cell division cell membrane cell wall checkpoint second part, called _____________, which is divided into four phases. • During ____________________ the nuclear membrane dissolves and the DNA thickens into ____________________. chromosome cytokinesis cytoplasm daughter cell diffusion • During ____________________ the chromosomes line up in the middle of the cell. DNA interphase metaphase mitosis nuclear membrane nucleus osmosis • During ____________________ the chromosomes split in half — each half moves to the opposite side of the cell. • During ____________________ the nuclear membrane reforms so the prophase spindle cell has two nuclei. telomere telophase vacuole Then the cell splits in half in _________________. All of these steps together are called the ____________________. ©2013 Robert Prior Biology Name Answer Key Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. cell division Cells reproduce in a process called ____________________, which is B2.1 use appropriate terminology related to cells interphase split into two main parts. During the first part, called _______________, the cell absorbs nutrients and grows until it is twice as big. During this Word List time it also copies its DNA. Once the cell is big enough it begins the anaphase biphase cell cycle cell division cell membrane cell wall checkpoint chromosome cytokinesis cytoplasm daughter cell diffusion DNA interphase metaphase mitosis nuclear membrane nucleus osmosis mitosis which is divided into four phases. second part, called _____________, prophase the nuclear membrane dissolves and • During ____________________ chromosomes the DNA thickens into ____________________. metaphase the chromosomes line up in the • During ____________________ middle of the cell. anaphase the chromosomes split in half — • During ____________________ each half moves to the opposite side of the cell. telophase the nuclear membrane reforms so the • During ____________________ prophase spindle cell has two nuclei. telomere telophase vacuole cytokinesis Then the cell splits in half in _________________. cell cycle All of these steps together are called the ____________________. ©2013 Robert Prior Biology Name Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. B2.1 use appropriate terminology Cells reproduce in a process called ____________________, which is split into two main parts. During the first part, called _______________, related to cells the cell absorbs nutrients and grows until it is twice as big. During this time it also copies its DNA. Once the cell is big enough it begins the second part, called _____________, which is divided into four phases. • During ____________________ the nuclear membrane dissolves and the DNA thickens into ____________________. • During ____________________ the chromosomes line up in the middle of the cell. • During ____________________ the chromosomes split in half — each half moves to the opposite side of the cell. • During ____________________ the nuclear membrane reforms so the cell has two nuclei. Then the cell splits in half in _________________. All of these steps together are called the ____________________. ©2013 Robert Prior Biology Name Answer Key Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. B2.1 use appropriate terminology related to cells cell division Cells reproduce in a process called ____________________, which is interphase split into two main parts. During the first part, called _______________, the cell absorbs nutrients and grows until it is twice as big. During this time it also copies its DNA. Once the cell is big enough it begins the mitosis which is divided into four phases. second part, called _____________, prophase the nuclear membrane dissolves and • During ____________________ chromosomes the DNA thickens into ____________________. metaphase the chromosomes line up in the • During ____________________ middle of the cell. anaphase the chromosomes split in half — • During ____________________ each half moves to the opposite side of the cell. telophase the nuclear membrane reforms so the • During ____________________ cell has two nuclei. cytokinesis Then the cell splits in half in _________________. cell cycle All of these steps together are called the ____________________. ©2013 Robert Prior Biology Name Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. When a baby animal grows, its cells don’t get bigger — instead, the B2.1 use appropriate terminology cells reproduce so the animal has many more cells. Cells reproduce related to cells by dividing in two. Before a cell can divide it must grow bigger and Word List anaphase biphase copy its DNA. Biologists call this part of the cell cycle ____________________. Once a cell has grown bigger it starts cell cycle cell division ____________________, which is when it divides into two daughter cell membrane cell wall checkpoint chromosome cytokinesis cytoplasm daughter cell diffusion DNA interphase metaphase mitosis nuclear membrane cells. First the ____________________ dissolves and the strands of DNA thicken so you can see the chromosomes with a microscope. This is called ____________________. Then the chromosomes attach to spindle fibres and line up in the middle of the cell. This is called ____________________. Next the chromosomes split into identical halves and the spindle fibres shorten, pulling the nucleus osmosis chromosomes to opposite sides of the cell. This is called prophase spindle telomere telophase vacuole ____________________. Then the nuclear membrane reforms. This is called ____________________. Finally the cell splits in two. This is called ____________________. ©2013 Robert Prior Biology Name Answer Key Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. When a baby animal grows, its cells don’t get bigger — instead, the B2.1 use appropriate terminology cells reproduce so the animal has many more cells. Cells reproduce related to cells by dividing in two. Before a cell can divide it must grow bigger and Word List anaphase biphase cell cycle cell division cell membrane cell wall checkpoint chromosome cytokinesis cytoplasm daughter cell diffusion DNA interphase metaphase mitosis nuclear membrane copy its DNA. Biologists call this part of the cell cycle interphase ____________________. Once a cell has grown bigger it starts mitosis ____________________, which is when it divides into two daughter nuclear membrane dissolves and the strands of cells. First the ____________________ DNA thicken so you can see the chromosomes with a microscope. prophase This is called ____________________. Then the chromosomes attach to spindle fibres and line up in the middle of the cell. This is metaphase called ____________________. Next the chromosomes split into identical halves and the spindle fibres shorten, pulling the nucleus osmosis prophase spindle telomere telophase vacuole chromosomes to opposite sides of the cell. This is called anaphase ____________________. Then the nuclear membrane reforms. This telophase is called ____________________. Finally the cell splits in two. This is cytokinesis called ____________________. ©2013 Robert Prior Biology Name Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. B2.1 use appropriate terminology When a baby animal grows, its cells don’t get bigger — instead, the cells reproduce so the animal has many more cells. Cells reproduce related to cells by dividing in two. Before a cell can divide it must grow bigger and copy its DNA. Biologists call this part of the cell cycle ____________________. Once a cell has grown bigger it starts ____________________, which is when it divides into two daughter cells. First the ____________________ dissolves and the strands of DNA thicken so you can see the chromosomes with a microscope. This is called ____________________. Then the chromosomes attach to spindle fibres and line up in the middle of the cell. This is called ____________________. Next the chromosomes split into identical halves and the spindle fibres shorten, pulling the chromosomes to opposite sides of the cell. This is called ____________________. Then the nuclear membrane reforms. This is called ____________________. Finally the cell splits in two. This is called ____________________. ©2013 Robert Prior Biology Name Answer Key Date Cell Division Cloze Exercise The following paragraph describes how cells multiply. Fill in the blanks with the correct word. B2.1 use appropriate terminology When a baby animal grows, its cells don’t get bigger — instead, the cells reproduce so the animal has many more cells. Cells reproduce related to cells by dividing in two. Before a cell can divide it must grow bigger and copy its DNA. Biologists call this part of the cell cycle interphase ____________________. Once a cell has grown bigger it starts mitosis ____________________, which is when it divides into two daughter nuclear membrane dissolves and the strands of cells. First the ____________________ DNA thicken so you can see the chromosomes with a microscope. prophase This is called ____________________. Then the chromosomes attach to spindle fibres and line up in the middle of the cell. This is metaphase called ____________________. Next the chromosomes split into identical halves and the spindle fibres shorten, pulling the chromosomes to opposite sides of the cell. This is called anaphase ____________________. Then the nuclear membrane reforms. This telophase is called ____________________. Finally the cell splits in two. This is cytokinesis called ____________________. ©2013 Robert Prior
