Why would a scientist wish to induce mutations? a. to increase the number of mutated phenotypes b. to create mutations in specific genes c. to test for carcinogen activity d. to create tumors for cancer research e. because she was crazier than a mutated bedbug
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- Why would a scientist wish to induce mutations?
a. |
to increase the number of mutated |
|
b. |
to create mutations in specific genes |
|
c. |
to test for carcinogen activity |
|
d. |
to create tumors for cancer research |
|
e. |
because she was crazier than a mutated bedbug |
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- What is a biomarker? a. the color coding of different genes b. a protein that is uniquely produced in a diseased state c. a molecule in the genome or proteome d. a marker that is genetically inheritedA researcher studies a mutation that occurs in humans and writes four facts about the mutation in a chart. 1. The mutation is caused as a result of chance. 2. The mutation leads to a genetic disease. 3. The mutation occurs in sperm cells and is passed to the next generation. 4. The mutation is not discovered or fixed by the cell's enzymes. Based on the information, the researcher concludes that the mutation is harmful. Which statement best supports the researcher's conclusion? O statement 1 O statement 2 O statement 3 O statement 4 hpWhat technique can be used for studying the gene for cystic fibrosis? a. cellular cloning b. molecular cloning c. reproductive cloning
- Which type of DNA mutation can be passed on to the next generation? a. Gamete mutation b. Somatic cell mutation C. Body mutation d. Mutagenic agent OA student wants to observe how the environment of bacteria affects gene expression. How should the experiment be designed? A. exposing the same species of bacteria to the same carbohydrates in each sample B. exposing the same species of bacteria to different carbohydrates in each sample C. exposing different species of bacteria to the same carbohydrates in each sample D. exposing different species of bacteria to different carbohydrates in each sampleA. Which genes could be used to monitor the process of the disease? B.  If you worked for a drug company developing a treatment for the cancer, which genes would you target to turn on in cancer cells? C. Which genes would you target to turn off in cancer cells?
- The BRCA genes produce DNA repair proteins. Genetic testing is available that can determine if a person has a mutation in the BRCA genes that makes the proteins less able to function. What is the result of a BRCA mutation? A. The person is more likely to develop cancer if other DNA in the cell mutates. B. The person is less likely to develop cancer unless the BRCA region is methylated. C. The person is less likely to develop cancer because the BRCA gene will inhibit the cell cycle checkpoints. D. The person is more likely to develop cancer because the BRCA gene promotes an increased rate for mitosis.Evaluate whether the statements I and II are TRUE or FALSE. A. Only the first statement is true. Both statements are true. B. Only the second statement is true. D. Both statements are false. 1. Nutrigenomics is the study of how diet and gene expression interact through molecular mechanisms. II. Epigenetics also considers the influence of diet or lifestyle on the DNA sequence of particular genes. O A. Only the first statement is true. O B.Only the second statement is true. OC. Both statements are true. OD. Both statements are false. C.How might people from different countries view the risks and benefits of biotechnology?
- Which of the following demonstrates the link between oncogenes and cancer? a.Oncogenes do not have mutations that increase the activity or number of molecules that stimulate mitosis. b.Oncogenes produce molecules that inhibit mitosis. c.They are genes that transform tumor cells into normal cells. d.The mutations in oncogenes increase the activity or number of molecules that stimulate mitosis, leading to irregular cell division.Which of the following statements about cancer is correct? A. Cancer stem cells can make tumors resistant to chemotherapy. B. Intra-tumoral heterogeneity makes it easier to treat cancer. C. Mutation in p53 is a type of passenger mutation. D. One driver mutation is more than sufficient for the production of a cancer phenotype.With regard to human cancer cells, which of the following statements is true? A. Cancer cells within one tumor usually do not share common mutations B. Cancer cells generally have lost the ability to divide C. Oncogenes are non-human genes not related to normal genes in the human genome D. Mutations in DNA repair genes result in an increased chance of getting cancer.
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