Term
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Definition
| "True" cell - those cells that have membrane bound organelles. |
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Term
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Definition
| "first" cells-thosecells that do not have membrane-boun d organelles. |
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Term
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Definition
| term for growing embryo from the 9th week until birth |
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Term
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Definition
| where the cells in the body beins to change into certain types of cells |
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Term
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Definition
| genetic term for the developing organism |
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Term
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Definition
| organ through which materials are passed from mother to embryo |
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Term
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Definition
| When the blastocyst attaches itself to the uterine wall |
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Term
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Definition
| hollow ball of cells; next Stage in development |
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Term
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Definition
| Solid ball of cells formed in early development |
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Term
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Definition
| process of cells dividing by mitosis to form morula |
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Term
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Definition
| process where 2 gametes combine to form a new cell |
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Term
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Definition
| genetic term used for new cell formed by fertilization |
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Term
| F S H (follicle stimulating hormone) |
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Definition
| stimulates gonads to produce gamete |
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Term
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Definition
| general term for structures found in the cell |
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Term
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Definition
| controls entry into and out of cell |
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Term
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Definition
| new cell wall that is formed in plant cells during mitosis |
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Term
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Definition
| provides shape and support to plant cells |
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Term
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Definition
| structures involved in mitosis only in animal cells |
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Term
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Definition
| pigment that traps light and is used to produce food for plants |
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Term
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Definition
| site of food production in plant cells (photosynthesis) |
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Term
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Definition
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Term
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Definition
| "long, thread-like groups of genes made of DNA, found in nucleus" |
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Term
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Definition
| jelly-like substance that supports organelles |
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Term
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Definition
| water-substance (semi-fluid) |
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Term
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Definition
| "hollow microtubules, provide shape and structure" |
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Term
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Definition
| surface for chemical rxns to take place and can be rough (w/ribosomes) or smooth (w/o ribosomes) also serves as a pathway for transport |
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Term
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Definition
| model for the structure of the cell membrane |
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Term
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Definition
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Term
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Definition
| site of packagine & transport (secretion) in the cells |
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Term
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Definition
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Term
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Definition
| microscopic cylinders that support and give the cell shape |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| minute holes in nuclear membrane |
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Term
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Definition
| found in nucleus; where ribosomes are produced |
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Term
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Definition
| control center of the cell; contains chromosones |
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Term
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Definition
| components that make-up the cell membrane |
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Term
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Definition
| contains water and dissolved materials (in plant cells) |
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Term
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Definition
| site where proteins are synthesized |
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Term
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Definition
| "storage center for cell; holds food, pigment, waste, etc." |
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Term
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Definition
| part of cell life cycle where the cell duplicates |
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Term
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Definition
| movement of substances into the cell |
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Term
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Definition
| movement of substances out of the cell |
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Term
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Definition
| movement of molecules from an area of high concentration to low concetration |
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Term
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Definition
| movement of water through a membrane |
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Term
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Definition
| state where solution concentrations are equal |
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Term
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Definition
| state where a solution has less solutes compared to another |
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Term
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Definition
| state where a solution has more solutes compared to another |
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Term
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Definition
| pressure of water in the vacuole |
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Term
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Definition
| condition where an animal cell splits or bursts because of diffusion of water into the cell |
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Term
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Definition
| condition where a cell collapses in on itself because of diffusion of water out of the the cell |
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Term
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Definition
| "forms ""poles"" or sides of the cell for duplication" |
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Term
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Definition
| used to pull chromatids to opposite poles of the cell |
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Term
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Definition
| cell splits into 2 new cells |
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Term
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Definition
| the new cells formed from the process of mitosis |
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Term
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Definition
| uncontrollable division of cells |
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Term
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Definition
| chemical that is known to have cancerous effects |
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Term
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Definition
| a harmless group of cells |
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Term
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Definition
| a dangerous group of cells that are or can be cancerous |
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Term
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Definition
| process by which sex cells are formed |
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Term
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Definition
| sex cells that have only 1 copy of each chromosone (they are haploid) |
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Term
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Definition
| body cells that have 2 copies of each chromosone (they are diploid) |
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Term
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Definition
| cells that have only 1 copy of each chromosone OR they have half the total number of chromosones |
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Term
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Definition
| cells that have 2 copies of each chromosone OR they have the total (complete) number of chromosones |
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Term
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Definition
| structure where gametes are formed |
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Term
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Definition
| matching pairs of chromosones in a diploid cell |
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Term
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Definition
| exchange of genes (alleles) between pairs of homologas chromosones |
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Term
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Definition
| region of a chromosone that codes for a trait or characteristic of the organism |
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Term
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Definition
| chemicals that regulate the activity of the body |
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Term
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Definition
| stimulates gonads to produce sex hormones; also stimulates release of egg from ovary |
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