Vocabulary
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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| Adenine | A component of nucleic acids, energy-carrying molecules such as ATP, and certain coenzymes. Chemically, it is a purine base.
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| Buffer | A solution that minimizes changes in pH when extraneous acids or bases are added to the solution.
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| Cytosine | A component of nucleic acids that carries hereditary information in DNA and RNA in cells. Chemically, it is a pyrimidine base.
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| Gene | A discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses).
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| Guanine | A component of nucleic acids that carries hereditary information in DNA and RNA in cells. Chemically, it is a purine base.
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| Helix | Something spiral in form.
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| Histone | A small protein with a high proportion of positively charged amino acids that binds to the negatively charged DNA and plays a key role in its chromatin structure.
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| Hydrogen bond | A type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule.
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| Lysis | A process of disintegration or dissolution (as of cells).
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| Model | A simplified version of something complex used, for example, to analyze and solve problems or make predictions.
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| Nucleotide | A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.
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| Thymine | A component of nucleic acid that carries hereditary information in DNA in cells. Chemically, it is a pyrimidine base.
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| Supernatant | The liquid on top of material deposited by settling or centrifugation.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
connie king
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