Vocab
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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| asexual reproduction | a new organism is produced from one organism
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| egg | haploid sex cell formed in the female reproductive organs
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| meiosis | process that produces haploid sex cells
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| sexual reproduction | a new organism is produced in which two sex cells come together
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| chromosome | structure in a cell's nucleus that contains hereditary material
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| fertilization | the joining of an egg and a sperm
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| mitosis | the process in which the nucleus divides to form two identical nuclei
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| sperm | haploid sex cell formed in the male reproductive organs
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| diploid | when cells have pairs of similar chromosomes
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| gene | contains instructions for making specific proteins
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| mutation | any permanent change in a gene or chromosome of a cell
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| zygote | diploid cell formed when a sperm fertilizes and egg
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| DNA | the genetic material of all organisms
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| haploid | has half the number of chromosomes as body cells
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| RNA | carries codes for making proteins from the nucleus to the ribosomes
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| allele | an alternate form that a gene may have for a trait
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| genotype | the genetic makeup of an organism
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| hybrid | receives different genetic information for a trait from each parent
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| dominant | covers up the other trait
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| recessive | the trait that seems to disappear
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| heredity | passing of traits from parent to offspring
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| phenotype | the way an organism looks and behaves as a result of its genotype
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| genetic engineering | changing the arrangement of DNA that makes up a gene
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| heterozygous | an organism with two alleles for one trait that are different
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| homozygous | an organism with two alleles for one trait that are the same
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| genetics | the study of how traits are inherited
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| cartilage | rubbery layer of tissue found at the ends of bones,where they form joints
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| involunatry muscle | muscles you cannot control
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| melanin | a pigment that protects your skin and gives it color
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| CNS | central nervous system
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| PNS | peripheral nervous system
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| neuron | nerve cells
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| dermis | middle layer of the skin
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| epidermis | outer thinnest layer of the skin
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| joint | any place where two or more bones come together
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| voluntary muscle | muscle that you are able to control
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| ligament | tough band of tissue that holds bones in place
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| tendon | thick band of tissue that attatches bones to muscles
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| physical property | a characteristic you can observe without changing it trying to change the composition of the substances
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| chemical property | a characteristic that cannot be observes without altering the substance
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| physical change | one in which the form or appearance of matter changes, but not it's composition
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| chemical change | substances are changed into different substances
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| vaporization | matter changes from a liquid to a gas
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| condensation | matter changes from a gas to a liquid
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| sublimation | solid changes to a gas
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| deposition | gas changes into a solid
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| law of conservation of mass | the total mass of matter is the same before and after a physical or chemical change
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| acid | releases positively charged ions in water
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| aqueous | a solution in which water is the solvent
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| solute | substance that dssolves and seems to disappear into another substance
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| concentration | describes how much solute is present in a solution compared to the amount of solvent
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| heterogenous mixture | contains substances that are not mixed evenly
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| homogenous mixture | another word for solution
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| solution | homogenous mixture
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| neutralization | acid reacts with a base and forms water and salt
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| saturated | contains all of the solute it can hold under a given condition
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| solvent | the substance that dissolves in the solute
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| precipitate | a solid formed when come solutions are mixed
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| substance | matter that has a fixed composition
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| solubility | measurement that describes how much solute dissolves in a given amount of solvent at a given temp.
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Created by:
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