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dna and chromosomes-preap biology 1
| Question | Answer |
|---|---|
| bacteriophage | a type of virus. |
| nucleotide | monomers that make up DNA |
| double helix | where two strands coil around each other like a twisted latter. |
| base pairing rules | T = A and G = C |
| replication | the process of which DNA is copied during the cell cycle |
| DNA polymerases | a group of enzymes that bond nucleotides together |
| cell cycle | the regular pattern of growth |
| mitosis | the division of the cell nucleus and its contents |
| cytokinesis | the process that divides the cells cytoplasm |
| chromosome | the long continuous thread of DNA that consist of genes |
| histone | a group of proteins |
| chromatin | spaghetti like DNA |
| chromatid | the duplicated chromosome |
| centromere | the pinched looking chromosomes |
| somatic cell | body cells |
| gamete | sex cells |
| homologous chromosome | the cells inherited by your parents |
| autosome | 1-22 |
| sex chromosome | 23 |
| sexual reproduction | the fusion of two gametes |
| fertilization | when the sperm and egg make one nucleus |
| diploid | two copies of each chromosome |
| haploid | one copies itself |
| meiosis | divides, then divides again |
| gametogenesis | |
| sperm | |
| egg | |
| polar body |