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BIO 120-Mitosis
BC-The Cell Cycle Mitosis
| Question | Answer |
|---|---|
| The phase of interphase when the DNA is replicated, is known as _______. | Synthesis - S |
| The portion of mitosis wherein the chromosomes condense and the spindle begins to form. | Prophase |
| The portion of mitosis wherein the chromosomes line up at the imaginary plane midway between the spindle's two poles. | Metaphase |
| Cells which are exact genetic copies of the parent cell. | Clones |
| The portion of mitosis that includes: chromosomes re-condensing, a new nuclear envelope forms for each cell; cytokinesis occurs here also. | Telophase |
| The nuclear division mechanism which results in clones for growth and development. | mitosis |
| The nuclear division mechanism which results in hapoid (1/2 the chromosome number) cells for reproduction | meiosis |
| The term for the two joined copies of the duplicated chromosome. | Sister Chromatids |
| Cells which undergo division to become sex cells. | germ cells |
| All cells in an organism which are not reproductive cells and that have two sets of chromosomes. | Somatic Cells |
| The total number of chromosome pairs in a diploid human cell. | 23 |
| The region of the duplicated chromosome where the sister chromatids are most closely attached. | Centromere |
| What percentage of the cell's life cycle is spent in Interphase? | 90% |
| This is when the cell divides into two daughter cells, each genetically identical to the parent cell. | Cytokinesis |
| DNA which is complexed with proteins. | Chromosomes |
| Chromosome pairs which are the same type (shape, number, same genes). | Homologous |
| The term for cells having two chromosomes of each type. | Diploid |
| The total number of chromosomes in a diploid human cell. | 46 |
| The division of the cytoplasm in animal cells (during telophase). | Cleavage Furrow |
| The G1 phase of interphase stands for _______. | Growth or GAP |
| The portion of mitosis wherein the sister chromatids are separated and each is pulled toward an opposite pole. | Anaphase |
| The division of the cytoplasm in plant cells (during telophase). | Cell Plate |
| The term for cells having half the normal number of chromosomes. | Haploid |
| Cell growth and the copying of chromosomes in preparation for cell division occurs in: | Interphase |
| All the DNA in a cell is collectively termed the : | Genome |
| The term for eggs and sperm (reproductive cells) is: | Gametes |
| Gametes have ______ as many chromosomes as somatic cells. | Half |
| What are the 3 stages of Interphase? | G1, S, G2 |
| What structure controls chromosome movement during mitosis and consists of microtubules? | Mitotic Spindle (spindle apparatus) |
| The term for the microtubule-organizing center is _____. | Centrosome |
| The 3 components of the mitotic spindle are: | Centrosomes, microtubules and asters |
| At the end of ________ the centrosomes are at opposite ends of the cell. | Prometaphase |
| Another name for the spindle equator is the ______. | Metaphase plate |
| Cells that stop dividing when not attached to a substrate. | Anchorage dependence |
| Normal healthy cells stop growing when they become crowded - this is known as: | Density Dependent Inhibition |
| The term for when malignant tumors spread to other parts of the body. | Metastatic |
| Tumors whose cells remain together in one place are termed: | Benign |
| A ball of cells resulting from uncontrolled growth. | Tumor |
| This occurs when a cell acquires the ability to divide indefinitely. | Transformation |
| If a cell does not receive the go ahead at the checkpoint, it enters this phase? | Go |
Created by:
callen-pbsc
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