Science Test....
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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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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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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