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Science Test....

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Ribosomes (Both)   A small grain like sturture in the cytoplasm of a cell where proteins are made.  
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Cell membrane (Both)   A cell sturture that controls which substances can enter or leave the cell.  
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Endoplasmic reticulm (Both)   A cell sturture that forms a maze of passageways in which proteins and other material are carried out from one part of the cell to another.  
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Cell wall   A rigid layer of nonliving material that surrounds the cells of planst and some other organsim.  
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Nucleus   A cell sturture that contains nucleic acid the chemicals insturtions are what direct all the cells activities  
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Mitochondria   Rod shaped cell sturtures that produce most energy needed to carry out the celles function.  
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Golgi Bodies   A sturture in a cell that recessive proteins and other newly formed material from the endoplasmic reticulm packages them and distributes them to other parts of the cell.  
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Chloroplasts   A cell sturture that captures energy from the sun and uses it to produce food.  
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Vacuoles   A water filled sac inside a cell that acts as a storage area.  
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Lysosomes   A small round cell sturture that contains chemicals that break down large food particles into smaller ones.  
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Gene   A segment of DNA of a chromosome that codes a specifc trait.  
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Chromosome   A double rod of condensed chromatin contains DNA that will carry gentic imformation.  
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Trait   A characteristic that an organism can pass onto it's offspring through genes.  
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Allele   Different form of gene  
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Donimant Allele   An allele who's trait always shows up in the organsim when the allele is present.  
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Recessive Allele   An allele that is masked when a dominant allele is present.  
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Homozygous   Having two identical alleles for a trait.  
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Heterozygus   Having two different alleles for a trait.  
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Genotype   An organsims genetic make up or allele combinations  
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Phenotype   An oransims physical apperance or visiable trait.  
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Robert Hooke   One of the first people to observe cells.  
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Leeuwenhoke   Made the first simple mircoscope.  
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Schiedian   Concluded that all plants are made up of cells.  
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Schwann   Concluded that all animals are made up of cells.  
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Rudolf   Proposed that all cells come from other cells.  
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Prophase   Condenses to form chromoses  
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Metaphase   Chromosomes attach to spindle fibers  
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Ananphase   Two chromatids sperate  
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Cytokienes   New nuclear membranes form.  
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The double-stranded chromosomes move to the center of the cell and sperate.   Meiosis 1  
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The chromosomes pairs sperate.   Meiosis 2  
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Four cells form with half the number of chromosomes as the parental cells.   End meiosis  
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The chromosomes are copied.   Beginning of meiosis  
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The centomeres divide and sperate.   Meiosis 2  
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