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| all parts of the earth in habited by living things |
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| a squirrel and an oak tree are both examples of indivual |
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| life basic unit and strucuture and function is the |
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| each distant form of life or typ of organism is called |
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| organizing similar species into large groups called |
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| unlike members of domain bacteria and archaea the members of domain eukarya have |
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| the process by whitch organisms keep internal conditions relitivable stable is called |
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| what is the term for a loclized group of organisms belonging to the same speceies |
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| specilazed to perform particular functions |
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| the cells of multicellular organisms are often |
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| cell, tissues, organ, organ systms |
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| whitch list represents the levels of organisms in a multicellular organisms from the simplist level to the most comples level |
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| what is the term for all parts of earth in habiated by living things |
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| many biologist call the broadcast catergory of life a |
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| living things respond to their enviroment |
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| whitch of the following statements best explain why birds fly south for the winter |
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| allows cell to perform different functions |
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| cell specilalization in multi cellular organisms |
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| whitch term refers to cell having different jobs in an organism |
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| a group of cells that toghter perform a similar function is called |
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| biologist have so far indenfied more than |
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| most eukaryotic cells are |
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| a typical organism made up of many different kinds of |
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| along the length of each DNA milocule are units of inherited information called |
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| is the community of living things in an area with non living feacturs of enviroment that supports the living community |
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Definition
| their is a division of labor among the cells of |
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| works by the natural enviroment "selecting" certain inheriated traits that increase indivual like hood of survival and reproduction |
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| is the chemical responsible for inheritance- the passing of traits from one parent organism to the offspring |
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| the entire body of a unicellular organism consist of a |
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| plant use water,carbon, dixoide and sunlight in the food making process called |
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| cells contain a nuclei that seperates DNA from the rest of the cell |
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| cell with out a nuclei are called |
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| are animals and other organism that eat food by preducers |
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| is an inheriated trait that helps an organism survive and reproudce in it's particular enviroment |
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| two nonliving things that suport living things |
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| organisms that break down food from dead organisms are called |
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| what i meassure at the end |
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| results is what i get conclussions in interpations of results |
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| what is the difference between results and conclussion |
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| add up all the numbers then divide by how many numbers their are |
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| how do you figure the mean of set of numbers |
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| subtract the smallest number by the biggest number |
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Definition
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| how many modes can you have |
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| put the numbers in numberalcal order then find the middle number |
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| oxygen,carbon hydrogen and nitrogen |
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Definition
| the most common element in most living things are |
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| whitch of the following terms describe a substance formed by the chemical combination of two or more elements in a fixed ratio |
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Definition
| the nucleus is made up of |
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| are atoms of the same element with the same numbers of protons and a different numbers of neutrons |
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| what typ of ion forms when an atom loses electron |
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| in chemical reaction atoms are |
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| indentfy the reactions in the chemical reaction co2+h20 to h2co3 |
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| 2 atoms of hydrogen and 1 atom of oxygen |
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Definition
| whitch of the following makes up a molecule of water |
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| ice has a higher density than water |
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Definition
| ice flots on water because |
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| protons,neutrons,electrons |
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Definition
| the 3 main particles that make up an atom are |
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Definition
| the space surronding the nucleus of at atom contains |
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Definition
| if an atom contains 11 protons and 12 neutrons it's atomic number is |
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Definition
| a covalent bond is formed as a result of |
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Definition
| when a hydrogen and oxygen combine and form water, water is |
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| wate molecules are polar with the |
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Definition
| oxygen molecules veing slightly negative and the hydrogen molecules being slightly postive |
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Definition
| solutions that contain concentrains of H+ ions higher that pure water are |
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| the PH of sromach acid would be below 7 but the PH of oven cleaner would be above 7 |
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| if the PH of stomach acid and oven cleaner (a base) were measuered |
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| a map of eastern morth america showing the PH of rainfall in the various states indicates that the PH of rain in New York varies from 4.22 to 4.40 according to these figures the mose acdic rain fall in New York state ha a PH of |
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| a solution with a PH of 6 is called |
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| uniform mixture of 2 or more substances |
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| when salt is dissolved in water, water is |
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| a pure substance that cannot be borcken down by into other substances by chemical means is an |
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| determines how the atom reacts |
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Definition
| usually it is the electron in the highest energy level of an atom that |
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Term
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Definition
| is responsible for causing the surface of the water in the gradulated cylinder to cuve slightly at the sides |
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Definition
| when a substance is dissolved in water the result is called |
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Definition
| the substance that are present when a chemical reaction begins are the |
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| prtons,neutrons,electrons |
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Definition
| the subatomic particles that make up an atom are |
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Term
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Definition
| most of the mass of an atom is concentrated in the |
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Term
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Definition
| a chemicla bond formed by the tranfer of electrons is an |
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| there is uneven distrubutition of electrons between the oxygen and hydrogen atoms |
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Definition
| a water molecule is polar because |
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| is anything that takes up space and has mass |
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Definition
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Term
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Definition
| if a neutral atom contains is protons ir must contains is |
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Term
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Definition
| the smallest particle of an element is an |
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Term
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Definition
| is a weak intereaction between the hydrogen atom of one molecule and a slighly negative atom with in an other molecule |
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Definition
| what are main types of chemical bonds |
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| the smallest part of and compound |
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| what accounts for waters properties of an adhession and cohesion |
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| postive and found in a nucleus |
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Definition
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| polymers are made up of monomers |
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Definition
| whitch of the following organic compounds is the main fuel supply for cellular work |
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Definition
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| whitch of the following orgaic compounds is the main fuel supply for cellular work |
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Definition
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| acts as a main fuel supply |
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Definition
| whitch of the following is NOT a function of proteins |
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| simple sugars is to starch |
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Definition
| amino acid is to protein as |
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Definition
| how many bonds can carbon form with other atoms |
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Definition
| a substance that accelerates the rate of ac hemical reaction is called |
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Definition
| most carbon-based molecules are classified as |
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Definition
| what is the term used to describe the energy needed to get reaction started |
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Definition
| the reaction that adds monomer to a chain is called |
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| a carbohydrate made up of two sugars units is a |
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| starch,glycogen,cellulose |
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Definition
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Term
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Definition
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| enzymes are not affected bytempature changes |
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| whitch of the following statements abount enzymes is NOT true |
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| catalysts lower activation energy of a chemical reaction |
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Definition
| whitch of the following statements is true about catalysts |
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Term
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Definition
| animal cell store excess sugar in the form of a polysaccharide called |
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Term
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Definition
| are water-avoding,of hydro phobic compounds |
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Term
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Definition
| the process in whitch unravels and loses it's normal shape is called |
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Definition
| proteins that help speed up the rate of chemical reaction in the cell without requring high tempatures are |
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Definition
| groups and molecules that atract watermolecules known |
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Term
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Definition
| consists of three carbon backbone called glycerol attached to fatty acids |
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Term
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Definition
| water avoding molecules are said to be |
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Term
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Definition
| a protein is a fatty acid is a polymer constructed from a set of monomers called |
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Term
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Definition
| specilacised proteins in organisms that speed up chemical reaction called |
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Term
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Definition
| are monosaccharide as polymers to monomers |
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Term
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Definition
| is a pollysaccharide in plants that serves as a building material |
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Term
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Definition
| a specific reactant acted upon an enzyme is called the enzymes |
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Term
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Definition
| non-carbon based molecules such as water,oxygen,and ammonia are classfied as in |
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Term
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Definition
| are polysaccharides found in plant cells that consis of glucose |
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Definition
| the name of an enzyme usually ends in |
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| 1000 times their actual size |
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Definition
| light microscopecan magnify objects up to |
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Term
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Definition
| whitch of the following contains a nucleus |
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Term
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Definition
| the plasma membrane contains channels that helps move materials from one side to the other |
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| the molecules will move across the membrane in both directions |
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Definition
| when the concentration of molecules on both sides of a membrane is the same the |
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Term
| osmosis causes water to move into the cell |
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Definition
| an animal cell that is surronded by distilled water will enlarge because |
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Term
| stores DNA,directs the activities of the cell, cotains the information needed to make proteins |
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Definition
| whitch of the following is a function of a nucleus |
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Term
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Definition
| whitch organelle breaks down molecules and recycles old organelles |
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Term
| rough endoplasmic rectulm then golgi apparatus then released from the cell |
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Definition
| whitch sequence correcly traaces the path of proteins in the cell |
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Term
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Definition
| whitch organelle releases energy form sugars and other molecules |
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Term
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Definition
| the strucure that is thin,flexiable barrier around a cell is called |
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Term
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Definition
| whitch organelle would would expect to find in the plant cells nut not in animal cell |
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Term
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Definition
| whitch cell structure contains the cells DNA |
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| protect and maintain its shape |
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Definition
| the main function of the cell wall is to |
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Term
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Definition
| prokaryotic cells lack a nulcleus |
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Term
| regulates whitch materials enter and leave the cell |
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Definition
| whitch of the following is a function of the plasma membrane |
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Term
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Definition
| diffusion of water across a slectively permable membrane is called |
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Term
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Definition
| whitch means of particle transport requires imput of energy fromthe cell |
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Term
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Definition
| whitch organelle makes proteins using instructions that come form the nucleus |
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Definition
| is reached roughly equal numbers of molecules move in either direction across semi permeable membrane and their is no further change in concentration on either side of the membrane |
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| provide support and protection |
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Definition
| the main function of the cell wall is to |
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Term
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Definition
| a red blood cell placed in pure water will |
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Term
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Definition
| stud the structure of rough endoplasmic recticulum |
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Term
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Definition
| is a pair of membrane that surronds the nucleus |
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Term
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Definition
| the idea of life comes from life |
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Term
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Definition
| in a eukaryotic cell the rgion between the plasma membrane and the nucleus is called the |
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Definition
| a two-layer "sandwitch"of molecules that surrond an organelle or cell is called |
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Definition
| eukaryotic cell contain specialized strucutres that perform important cellular functions are called |
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Definition
| large molecules such as glusose that cannont cross the phospholipid bilayer can still move across the membrane through proteins channels by the process called |
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Definition
| unlike smooth endoplasmic recticulum rough endoplasmic has |
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Definition
| stores,and routs proteins and other chemical products to their next destination |
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Definition
| any organism made up of only one cell is called |
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