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Details Title: 9th Grade Final Description: Ms. Hoffman- Biology Total Flash Cards: 42 Created: 06/09/2004 17:50:39	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term What are the steps of the Scientific Method? Definition -observation/problem -hypothesis/research -create & start expirement -analyze data -conclusion Term What does the term biology mean? Definition the study of life Term What are the branches of biology? Definition -taxonmy: naming of species -ecology: study of earth Term What are some of the properties of a living organism? Definition -living things are made up of cells -living things reproduce -living things grow and develop -living things obtain and use energy -living things respond to their enviorments Term What are the 5 parts of a laboratory report? Definition -observation/problem -hypothesis/research -create & start expirement -analyze data -conclusion Term List the 4 units of measurment. Definition -lenght -mass -volume -temperature Term What are the differences between chemical and physical properties? Definition Chemical can't change back to original form, physical can. Term List all of the parts on an atom and tell what their charges are. Definition -electron: neg -proton: pos -netron: neutral Term Define: atom Definition smallest unit of matter Term Define: compound Definition a substance that contains 2 or more elements Term Define: element Definition a substance that cannot be broken down Term Define: isotope Definition has more neutrons Term Define: ion Definition has more electrons Term Define: solutions Definition a uniform mixture of 2 or more substances/any compound dissolved in water Term Define: acid Definition donates h+ ions to a solution Term Define: base Definition removes h+ ions from a solution Term What is the difference between the atomic number and atomic mass of an element? Definition -atomic #: # of protons -atomic mass: # of protons and neutrons Term What is the difference between plant and animal cells? Definition plant cells have cloroplasts and animal cells have ribosomes Term Define: cytoplasm Definition jelly like substance that keeps everything in its place Term Define: nucleus Definition commands cell Term Define: cell mem/cell wall Definition protects and sends food in and out of cell Term Define: hypertonic Definition cell shrinks Term Define: hypotonic Definition cell swells Term Define: isotonic Definition cell's the same Term How is the process of osmosis similar to that of diffusion? Definition diffusion is the movement of moluecules from high to low and osmosis is the movement of water Term How are cell membranes selectively permeable? Definition decides what comes in and out based on concitration Term What are the four bases of DNA? Definition -adenine -guanine -thymine -cytosine Term What bases are purines? Definition adenine and guanine Term What bases are pyrimidines? Definition tymine and cytosine Term What are 3 differences between DNA and RNA? Definition -single not double stranded -ribose not deoxyribose -Uraol not thymine Term What is RNA polymerase? Definition Ensime that attacks DNA and allows it to unzip Term Name the phases of mitosis. Definition -interphase -phrophase -metaphase -anaphase -telophase -cytokinesis Term What are homologous chromosomes? Definition each chromosome that has a partner that contains some genes. Term Name the phases of meiosis Definition -interphase -phrophase 1 -metaphase 1 -anaphase 1 -telophase 1 -cytokinesis 1 -phrophase 2 -metaphase 2 -anaphase 2 -telophase 2 -cytokinesis 2 Term What is the difference between mitosis and meiosis and where do they occur? Definition mitosis produces 2 chromosomes and meiosis 4 Term What happenes in the Go phase? Definition interphase, mitosis and cytokinesis Term What is the difference between haploid and diploid cells? Definition haploid have half the ammount of chromosomes that diploid have Term List the elements involved in and the products made by photosynthesis. Definition NADPH+ is produced and sent to the calvin cycle Term What pigment is involved in photosynthesis? Definition clorophyll Term What is the balanced equation for photosynthesis? Definition O2 + C6 H12 O6 Term What is the difference between aboitic and biotic factors? Definition abotic- non living factonrs in the enviroment botic- living factors " " Term List and describe the 3 symbiotic relationships. Definition mutalism comentalism persitism