Term
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Definition
| an abnormal growth of cells |
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Term
| A_____neoplasm is not cancerous. |
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Definition
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| A ______neoplasm is cancerous. |
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Definition
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| ______is a cellular growth disorder that results from the mutation of the genes that regulate the cell cycle. |
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Definition
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Term
| What is the word for the development of cancer? |
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Definition
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Term
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Definition
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| Cancer sells have anbormal_____/ |
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Definition
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Term
| What is the word for extra copies of specific genese? |
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Definition
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Term
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Definition
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Term
| Cancer cells undergo what two process? |
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Definition
| metastis and angiongenesis |
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Term
| ______is a tumor in its place of orgigin, but it is not encapsulated and will eventually invade surrounding tissues. |
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Definition
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Term
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Definition
| when cancer cells form new tumors distant from the primary tumor |
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Term
| _____is the formation of new blood vessels and is required to bring nutreints and oxygen to a acnerous tumor whose growth is not contained within a capsule. |
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Definition
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Term
| What are three factors that a cancer patient's prognosis depends on? |
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Definition
| wheteher the tumor has invaded surrounding tissues, if so-whether or not there is any lymph node involvement, and whether there are metastatic tumors in disant parts of the body |
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Term
| ______specify proteins that directly and indirectly promote the cell cycle and _____specify proteins that directly and indirectly inhibit the cell cycle. |
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Definition
| proto-oncogenes; tymor syppressor genes |
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Term
| DNA segements called ______occur at the ends of chromosomes and protect them from damage. |
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Definition
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Term
| Proto-oncogenes are at the end of a _____that extends from the plasma membrane to the nucleus. |
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Definition
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Term
| Tumor suppressor genes are at the start of an ______. |
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Definition
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Term
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Definition
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Term
| How many types of oncogenes have researchers identified that can cause increased growth and lead to tumors? |
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Definition
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Term
| The oncogenes most grequently involved in human cancers belong to the ____gene family. |
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Definition
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Term
| What type of oncogene is associated wwith lung cancer, colon cancer, and pancreatic cancer? |
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Definition
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Term
| The rasN oncogene is associated with _____and _____. |
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Definition
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Term
| Another gene, ______is associated with inheriting certain forms of breast and ovarian cancer. |
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Definition
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Term
| Another major tumor gene is called_____a gene that is more frequently mutated in human cancers that any other known gene. |
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Definition
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Term
| _____lack a nucleus and toher membranous organelles found in eukaryotic cells. |
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Definition
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Term
| In electron micrographs, the bacterial chromosome appears as an electron dense, irregularly shaped region called the _____. |
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Definition
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Term
| Prokaryotes reproduce sexually by ____. |
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Definition
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Term
| Why is binary fission called binary fission? |
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Definition
| because division produces two daughter cells that are identical tot eh orginal parent cell |
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Term
| _____which lives in our intestines, has a genration time of about 20 minutes. |
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Definition
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Term
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Definition
| the time it takes the cell to divide |
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Term
| What happens during binary fission? |
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Definition
| the chromosome duplicates, and each daughter cell receives one copy as the parent cell elongates, and a new cell wall and plasma membrane form between the duaghter cells |
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Term
| is spindle apparatus involved in binary fission/ |
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Definition
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Term
| The chormosomes of eukaryotic cells are composed of____and_____. |
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Definition
| dna and associated proteins |
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Term
| Cell division allows unicellular organism to reproduce and is necessary to ____and____in multicellular organisms. |
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Definition
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