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Cells Systems 10/18
Science Work
Term | Definition |
---|---|
Cells | The basic unit structure and function in living things. |
Microscope | An instrument that make smaller objects look larger made this discovery possible |
Cell Theory | A widely accepted explanation of the relationship between cells and living things. |
Distinguish | Two separate structure that are close together. |
Organelle | A tiny cell structure that carries out a specific function within the cell. |
Structure | is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized. ... Abstract structures include data structures in computer science and musical form. |
Function | Different parts of the body that do different things. |
Cell Wall | A layer that surrounds the Cells of Plants |
Cell Membrane | A thin flexible barrier that surrounds a cell and controls which substances pass into and out of a cell. |
Cytoplasm | Fills the region between the cell membrane and the nucleus. |
Nucleus | A large oval organelle that contains the cell's genetic material in the form of DNA and controls many cell activities |
Mitochondria | Convert energy stored in making food |
Asexual Reproduction | by which offspring arise from a single organism, and inherit the genes of that parent only. |
Sexual Reproduction | Two parents combine their genetic material to produce a new organism which differs from both parents. |
Fertilization | The process in sexual reproduction in which egg cell and a sperm cell to perform a new cell. |
Trait | A specific characteristic that an organism can pass to its offspring through its genes. |
Gene | A sequence of DNA that determines a trait and is passed from parent to offspring. |
Inheritance | The process by which an offspring receives from its parents. |
Allele | A different form of a gene |
Heredity | The passing traits from parents to offspring |
Dominant Allele | An allele whose trait always shows up in the organism when the allele is present |
Recessive Allele | An allele that is hidden whenever the dominant allele is present. |
Factor | |
Probability | A number that describes how likely it is that a particular event will occur |
Genotype | An organism genetic makeup or allele combinations |
Phenotype | An organism physical appearance or visible traits. |
Chromosome | A threadlike structure within a cell's nucleus that contains DNA that is passed from one generation to the next. |
Cell Cycle | The series of events in which a cell grows prepares for division and divides to form two daughter cells |
Pedigree | A tool that geneticists use to map out the inheritance of traits |
Meiosis | The process that occurs in the formation of sex cells ( sperm and egg) by which the number of chromosomes is reduced by half. |
Chromatids | The structure formed when a chromosome divides during meiosis. |
Mitosis | The second stage of the cell cycle during which the cell's divides into two new nuclei and one set of DNA is distributed into each daughter cell. |
Structure | Structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized |
Function | Living things would not be what they were now if they didn't function |