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20 Cards in this Set
- Front
- Back
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what is the basic unit of length in the metric system?
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Meter
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what is the basic unit of volume in the metric system?
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Liquids- liter, Solids-cubic centimenter
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what is the mass number on the periodic table?
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The total number of protons and neutrons in the nucleus of an atom
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how do we determine the number of protons,electrons and neutrons in an atom?
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Protons-positive
Electron-negative Neutron-neutral Atom-neutral |
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how many electrons does an atom try to obtain in its outer shell to be stable?
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Eight
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what is the basic unit of mass in metric system?
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Kilogram
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what is a isotope?
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Atoms of the same element that have the same number of protons but a diffrent number of neutrons
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What are short hairlike projections that aid in movement?
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Cilia
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what ions do bases release in solution?
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Hydroxide
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what arethe reactants for photosynthesis?
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Carbon Dioxide and Water
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when will water move out of a cell?
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Hypertonic solution
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how do bases bond in DNA?
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A bonds to T and C and bonds to G
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what are some causesof mutations?
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chemicals, viruse, high temperatures, radiation, and pollutants
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determine the value of each prefix.
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kilo-1000
centi-1/100 milli-1/1000 |
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what is a hypothesis that has been testedmany timesand has proven to be correct called
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theory
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what element is found in organic compounds?
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carbon
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what protective structure surrounds the cell membrane in plants, algae, and some bacteria?
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cell wall
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waxy or oily organic compounds are called
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lipids
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where does glycolysis occur?
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cytoplast
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what is the force that holds the two strands of DNA together?
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base pairing
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