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Vocabulary
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11
Science
6th Grade
03/18/2010

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Term
Endoplasmic Reticulum
Definition
Cytoplasmic organelle that moves materials around in a cell and is made up of a complex series of folded membranes; can be rough (with attached ribosomes) or smooth (with no ribosomes).
Term
Phenotype
Definition
The genes expressed by an individual.
Term
Genotype
Definition
The genes inherited by an individual.
Term
Meiosis
Definition
Reproductive process that produces four haploid cells from one diploid cell and ensures offspring will have the same number of chromosomes as the parent organism.
Term
Mitosis
Definition
Cell process in which nucleus divides to form two nuclei identical to each other, in a series of steps. (prophase, metaphase, anaphase, telophase).
Term
Gene
Definition
A Section of DNA on a chromosome that contains instructions for building a specific protein, genes control 1 or more traits.
Term
Chromosome
Definition
A threadlike strand of DNA in a cell that contains hereditary materials. (In eukaryotic organisms it is in the nucleus.)
Term
DNA
Definition
Building block material that contains how an organism takes shape or grows.
Term
Mitochondria
Definition
Organelle where food is broken down to release energy for the cell.
Term
Golgi Bodies
Definition
Organelles that sort and package cellular materials and transport them within the cell or out of the cell.
Term
Lysosome
Definition
An organelle that contains digestive chemicals that help break down food molecules, cell wastes, and worn-out cell parts.
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