Pre-Ap Biology
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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| bacteriophage | takes over a bacterium's genetic machinery and directs it to make more viruses
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| nucleotides | the small units that make up DNA
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| double helix | in which two strands of DNA wind around each other like a twisted ladder
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| base pairing rules | t=a c=g
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| replication | the process by which DNA is copied during the cell cycle
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| DNA polymerases | bonds the new nucleotides together
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| cell cycle | the regular pattern of growth, DNA duplication, and cell division that occurs in eukaryotic cells
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| mitosis | the division of the cell nucleus and its contents
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| cytokinesis | the process that divides the cell cytoplasm
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| chromosome | one long continuous thread of DNA that consists of numerous genes along with regulatory information
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| histones | each of your chromosomes is associated with a group of proteins
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| chromatin | loss combination of DNA and proteins
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| chromatid | one half of a two identical chromatids are called sister chromatids
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| centromere | a region of the condensed chromosome that looks pinched
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| somatic cell | also called body cells
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| gamete | sex cell- sperm and egg
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| homologous chromosomes | two chromosomes- one from father, one from mother
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| autosomes | chromosomes that contains genes for characteristics not directly related to the sex of an organism
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| sex chromosomes | directly control the development of sexual characteristics
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| sexual reproduction | involves the fusion of two gametes that results in offspring that are a genetic mixture of both parents
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| fertilization | actual fusion of an egg and a sperm cell
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| diploid | means a cell has two copies of each chromosomes
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| haploid | means that a cell has only on copy of each chromosome
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| meiosis | form of nuclear division that divides a diploid cell into haploid cells
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| gametogenesis | the production of gametes
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| sperm | male gamete
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| egg | female gamete
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| polar bodies | cells with little more than dna that
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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.
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.
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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