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biology final
| Question | Answer |
|---|---|
| as a cell becomes larger its | volume increases faster than its surface area |
| as a cel greows it | all of the above |
| if the length of a cell increases 10 times then the volume increases about | 1000 times |
| the speed with which wastes are produced by a cell depends on the cells | volume |
| the following is not a problem that growth causes for cells | excess oxygen |
| compared to smal cels, large cells have more trouble | moving needed materials in adn waste products out. |
| th eprocess by which a cell divides into two daughter cells is called | cell division |
| the following is not a way that cell division solves the problem of cell growth. | cell division increases the mass of the original cell. |
| if a normal cell divides you can asume that | it has grown to its full size |
| if a cells dna were not copied before cell division, the cell could | have a dna overload |
| what happens when a cell divides? | the daughter cell seach recieves its own copy of the parents cells dna. |
| when during the cell cycle are chromosomes visible? | only during cell divisions |
| which of hte following is a phase in the cell cycle? | all of the above |
| as a cell becomes larger its | volume increases faster than its surface area |
| as a cel greows it | all of the above |
| if the length of a cell increases 10 times then the volume increases about | 1000 times |
| the speed with which wastes are produced by a cell depends on the cells | volume |
| the following is not a problem that growth causes for cells | excess oxygen |
| compared to smal cels, large cells have more trouble | moving needed materials in adn waste products out. |
| th eprocess by which a cell divides into two daughter cells is called | cell division |
| the following is not a way that cell division solves the problem of cell growth. | cell division increases the mass of the original cell. |
| if a normal cell divides you can asume that | it has grown to its full size |
| if a cells dna were not copied before cell division, the cell could | have a dna overload |
| what happens when a cell divides? | the daughter cell seach recieves its own copy of the parents cells dna. |
| when during the cell cycle are chromosomes visible? | only during cell divisions |
| which of hte following is a phase in the cell cycle? | all of the above |
| which event occurs during interphase? | the cell grows |
| which of the following is not a correct statement about the events of the cell cycle? | the cell grows during the G2 phase |
| cell division is represented in fugure 10-1 by the letter | D |
| hte cell cycle is the | series of events that cells go through as they grgow and devide |
| the structures labled b in figure 10-2 are called | sister chromatids |
| which is a phase of mitosis? | prophase |
| teh first phase of mitosis is called | prophase |
| during which pahse of mitosis do he chromosomes line up along the midle of the dividing cell? | mataphase |
| which of the following represents the phases of mitosis in their proper sequence? | prophase, metaphase, anaphase,telophase |
| what is the role of the spindle during mitosis? | it helps seperate the chromosomes |
| the two main stages of cell division are called | cytokinesis and mitosis |
| one diffrence between cell division in plant cells and in animal cells is that plant cells have | a cell plate |
| during normal mitotic cell division, a parent cell having four chromosomes will produce two daughter dells each containing | four chromosomes |
| what happens when cells come into conact with other cells? | they stop growing |
| what is a factor that can stop normal cells from growing? | contact with other cells |
| when cytoplasm from a cell that is undergrowing mitosis is injected into a cell that is in interphase, the second cell | enters mitosis |
| in eukaryotic cells, the timing of the cell cycle is regulated by | the centrioles |
| cyclins are a family of closley related protiens that | regulate the cells |
| which of the following regulates the cell cycle? | all of the above |
| cancer is a disorder in which some cells have lost the ability to conrol their | growth rate |
| cancer cells form masses of cells called | tumors |
| a cell with a defective p53 gene is likely to | accumulate chromosomal damage |
| cancer affects | multicellular organisms |
| what is a tumor? | a mass of cancer cells |
| gregor Mendel used pea plants to study | the inheritance of traits |
| offspring that result from crosses between tru breeding parents with different traits | are called hybrids |
| gregor mendel removed the male parts from the flowers of some plants in order to | prevent cross pollination |
| the chemicla factors that determine trits are called | genes |
| gregor mendel concluded that traits are | inherited through the passing of factors from parents to offspring |
| the principle of dominance states that | some alleles are dominant and others are recessive. |
Created by:
katusha