Contrast what tumor suppressor genes and proto-oncogenes do in their normal and cancer-promoting states. Normal ...
Contrast what tumor suppressor genes and proto-oncogenes do in their normal and cancer-promoting states.
| Normal | Cancer-promoting | |
| Tumor suppressor gene | ||
| (Proto-)oncogene |
Homework Answers
Tumor supressor gene- normally it controlls cell proliferation ;but in cancer promoting state both alleles of tumor supressor gene are lost or inactivated in order to promote tumpur development.
Protooncogene- are genes that normally help cells to grow; but in cancer promoting state they get mutated or too many copies of it developed that can become permanently turned on and result in growth of cells out of control lead to cancer development.
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Contrast what tumor suppressor genes and proto-oncogenes do in
their normal and cancer-promoting states.
Normal ...
Compare and contrast proto-oncogenes and tumor suppressor genes with respect to modes of action and examples
Compare and contrast proto-oncogenes and tumor suppressor genes with respect to modes of action and examples
a. To cause cancer, proto-oncogenes require considered mally, tumor suppressor genes inhibit the cell cycle. How...
a. To cause cancer, proto-oncogenes require considered mally, tumor suppressor genes inhibit the cell cycle. How do mutated tumor suppressor Ben cell cycle? allele(s) to be mutated and therefore are - The mutation results in a of function. nor suppressor genes affect the a. To cause cancer, tumor suppressor genes require allele(s) to be mutated and therefore are considered - The mutation results in a _ _ of function.
Classify each of the following into whether it represents a nonmutated proto-oncogene or a tumor suppressor...
Classify each of the following into whether it represents a nonmutated proto-oncogene or a tumor suppressor gene. Proto-Oncogenes Tumor Supressor Genes Inhibitors of p53 Apoptosis is restrained Apoptosis is promoted Eventually become inactive Sufficient cyclin Inhibitors of cyclin Eventually become oncogenes Promoters of p53 Cell cycle is restrained Cell cycle occurs normally
Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins...
Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins that promote the cell cycle, while encode for cyclins that stop the cell cycle. Mutations within these genes cause cells to continue replication without regulation and form Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins that promote the cell cycle, while encode for cyclins that stop the cell cycle.
PATH370 2018 - risk factors/predisposing factors for carcinogenesis: tobacco, nutrition, genetics (proto-oncogenes, oncogenes, tumor suppressor genes),...
PATH370 2018 - risk factors/predisposing factors for carcinogenesis: tobacco, nutrition, genetics (proto-oncogenes, oncogenes, tumor suppressor genes), viruses - role of p53 and Rb carcinogenesis: what is initiation, promotion, progression? - carcinogen vs mutagen vs teratogen - metastasis: define/describe, pattern of spread, tumor markers, angiogenesis, grading/staging, most common organs where metastasis occurs, first place of metastasis for many cancers - TNM system: what does each letter represent, are low or high number more severe? - generalized effects of cancer on the...
Cancer and Gene Regulation Why is a cell cycle control system needed for cell division? What...
Cancer and Gene Regulation Why is a cell cycle control system needed for cell division? What happens when cells do NOT respond to the cell cycle control system and divide excessively? Tumor Proto-oncogeno (for protein that stimulates coll division) 6 Y DNA Benign Tumor= Mutation withln a control region of DNA Malignant Tumor Mutated promoter Metastasis Normal growth-stimulating protein in excess Oncogene Tumor-Suppressor Genes Proto-oncogene utled tara gese Samor-auppresr gane Many proto-oncogenes code for growth factors /Deletive nonimenig Normel grewt...
Indicate whether each of the following descriptions applies to an oncogene, a proto-oncogene, or a tumor...
Indicate whether each of the following descriptions applies to an oncogene, a proto-oncogene, or a tumor suppressor gene. Some descriptions may apply to more than one of these gene types. Drag the gene types on the left to the appropriate blanks on the right to match the descriptions. Gene types can be used once, more than once, or not at all. Reset Help oncogene - gene(s) whose presence can cause cancer. proto-oncogene -gene(s) whose absence can cause cancer. tumor suppressor...
Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins...
Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins that promote the cell cycle, while encode for cyclins that stop the cell cycle.
Which of the following is a false statements about tumor suppressor genes? Gene amplification (duplication) of...
Which of the following is a false statements about tumor suppressor genes? Gene amplification (duplication) of a tumor suppressor gene is less likely to result in cancer than gene amplification of a proto-onocogene. Individuals with a single normal copy of a tumor suppressor gene are more prone to cancer than those with two normal copies. Inactivation of tumor suppressor genes can lead to enhanced cell survival and cell proliferation. Epigenetic changes that silence tumor suppressor genes would not lead to...
Q1)canser start when: 1:only tumor suppressor gene is mutated. 2:only proto-oncogene is mutated. 3:proto-oncogene and tumor...
Q1)canser start when: 1:only tumor suppressor gene is mutated. 2:only proto-oncogene is mutated. 3:proto-oncogene and tumor suppressor gene are mutated at the sane time 4:proto-oncogene and tumor suppressor gene are not mutated at the sane time . which is correct ?
a. To cause cancer, proto-oncogenes require considered mally, tumor suppressor genes inhibit the cell cycle. How do mutated tumor suppressor Ben cell cycle? allele(s) to be mutated and therefore are - The mutation results in a of function. nor suppressor genes affect the a. To cause cancer, tumor suppressor genes require allele(s) to be mutated and therefore are considered - The mutation results in a _ _ of function.
Classify each of the following into whether it represents a nonmutated proto-oncogene or a tumor suppressor gene. Proto-Oncogenes Tumor Supressor Genes Inhibitors of p53 Apoptosis is restrained Apoptosis is promoted Eventually become inactive Sufficient cyclin Inhibitors of cyclin Eventually become oncogenes Promoters of p53 Cell cycle is restrained Cell cycle occurs normally
Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins that promote the cell cycle, while encode for cyclins that stop the cell cycle. Mutations within these genes cause cells to continue replication without regulation and form Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins that promote the cell cycle, while encode for cyclins that stop the cell cycle.
PATH370 2018 - risk factors/predisposing factors for carcinogenesis: tobacco, nutrition, genetics (proto-oncogenes, oncogenes, tumor suppressor genes), viruses - role of p53 and Rb carcinogenesis: what is initiation, promotion, progression? - carcinogen vs mutagen vs teratogen - metastasis: define/describe, pattern of spread, tumor markers, angiogenesis, grading/staging, most common organs where metastasis occurs, first place of metastasis for many cancers - TNM system: what does each letter represent, are low or high number more severe? - generalized effects of cancer on the...
Cancer and Gene Regulation Why is a cell cycle control system needed for cell division? What happens when cells do NOT respond to the cell cycle control system and divide excessively? Tumor Proto-oncogeno (for protein that stimulates coll division) 6 Y DNA Benign Tumor= Mutation withln a control region of DNA Malignant Tumor Mutated promoter Metastasis Normal growth-stimulating protein in excess Oncogene Tumor-Suppressor Genes Proto-oncogene utled tara gese Samor-auppresr gane Many proto-oncogenes code for growth factors /Deletive nonimenig Normel grewt...
Indicate whether each of the following descriptions applies to an oncogene, a proto-oncogene, or a tumor suppressor gene. Some descriptions may apply to more than one of these gene types. Drag the gene types on the left to the appropriate blanks on the right to match the descriptions. Gene types can be used once, more than once, or not at all. Reset Help oncogene - gene(s) whose presence can cause cancer. proto-oncogene -gene(s) whose absence can cause cancer. tumor suppressor...
Both proto-oncogenes and tumor suppressor genes help control the cell cycle. Genes called encode for cyclins that promote the cell cycle, while encode for cyclins that stop the cell cycle.
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