| A | B |
|---|
| cytokinesis | What name is given to the process by which a cell’s cytoplasm divides to form two cells? |
| asexual reproduction | Which form of reproduction produces offspring that are identical to the parent? |
| sexual reproduction | Which form of reproduction requires specialized cells or organs to produce offspring? |
| chromatin | What name is given to the nuclear DNA of nondividing cells, which exists in a mass of twisted threads? |
| interphase | What phase of mitosis is often incorrectly called the resting stage? |
| prophase | During which phase of mitosis does the nuclear membrane and nucleolus disappear? |
| prophase | During which phase of mitosis do the spindle fibers appear? |
| equator | What special name is given to the middle of a cell undergoing mitosis? |
| chromatid | What name is given to one half of a duplicated chromosome? |
| poles | What special name is used to describe the opposite sides of a cell undergoing mitosis? |
| telophase | During which phase of mitosis do the nuclear membrane and nucleolus reappear? |
| cell plate | What structure forms in a plant cell to form two daughter cells during cytokinesis? |
| aster | What name is given to an animal cell’s centriole and the spindle that appears at the poles of the cell? |
| binary fission | Name the type of asexual reproduction where unicellular organism divides into two daughter cells of eqaul size? |
| macronucleus | What is the large nucleus of the paramecium which controls cell metabolism called? |
| budding | Which form of asexual reproduction occurs when the parent cell divides into two unequal parts? |
| regeneration | Which form of asexual reproduction describes the ability of simple organisms to regrow lost body parts? |
| vegetative reproduction | What name is given to the type of reproduction when new plants form from the roots, leaves, or stems of another plant? |
| mitosis | What name is given to the process by which a nucleus divides to form two identical nuclei? |
| sexual reproduction | Which form of reproduction produces offspring that are different from the parent? |
| asexual reproduction | Which form of reproduction requires no specialized cells or organs to produce offspring? |
| histones | What are the proteins called that DNA is wound around in the nucleus of a nondividing cell? |
| chromosome | What name is given to the condensed rodlike structures formed by the DNA of dividing cells? |
| interphase | During which phase of mitosis does the DNA replicate? |
| prophase | During which phase of mitosis does the chromatin condense to form chromosomes? |
| metaphase | During which phase of mitosis do the chromosomes line up in the middle of the cell? |
| centrioles | What cell structure forms the spindle fibers in an animal cell undergoing mitosis? |
| centromere | What name is given to the structure that holds the paired chromatids together? |
| anaphase | During which phase of mitosis do the chromatids move to opposite sides of the cell? |
| telophase | During which phase of mitosis do the spindle fibers disappear and chromosomes reform chromatin? |
| cleavage furrow | What structure forms in an animal cell to form two daughter cells during cytokinesis? |
| cyclin | What is the name of the protein, whose presence some scientists believe control cell division in cells? |
| micronucleus | What is the small nucleus of the paramecium which controls cell division called? |
| spore formation | Which form of asexual reproduction produces specialized cells that can survive harsh conditions to produce offspring? |
| M-phase | What name is given to the portion of the cell cycle where new cells are produced? |
| G1 phase | During which part of the cel cycle does the cell grwo and carry out its normal functions? |
| S phase | During which phase of the cell cycle does the cell replicate its DNA and chromosomes? |
| G2 phase | During which part of the cell cycle does the cell prepare to divide? |
| cell cycle | What is the name of the history of the growth and life of a cell called? |
