DNA Quizzes, Questions & Answers
Recent Quizzes
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Questions: 40 | Attempts: 2683 | Last updated: Mar 21, 2023
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Sample QuestionDNA consists of two antiparallel strands of nucleotide chains held together by
All cells and some viruses contain DNA and this is a nucleic acid that contains the genetic instructions for the development and function of living things. DNA profiling is especially useful for solving crimes but can also be...
Questions: 10 | Attempts: 13860 | Last updated: Nov 17, 2023
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Sample QuestionDNA is found in the ___ of a cell.
This quiz is to help me study for an exam
Questions: 20 | Attempts: 1125 | Last updated: Mar 21, 2023
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Sample QuestionWhat is the genetic material for all living organisms?
Questions: 13 | Attempts: 1070 | Last updated: Mar 21, 2023
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Sample QuestionA 44-year old woman presents to her physician with loss of appetite, fatigue, muscle weakness and depression. Initial blood analysis shows she has anemia. A bone marrow aspirate confirmed the suspicion that she has a megaloblastic anemia. Serum folic acid level was 2.9 ng/m1 (normal= 6-15), Her serum B12 level was 153 pg/ml (normal=150-75C). The patient's megaloblastic anemia is most likely caused by
Questions: 12 | Attempts: 231 | Last updated: Mar 22, 2023
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Sample QuestionA 45 year old male has been recently diagnosed with amyotrophic lateral sclerosis. On a follow up visit he complains of constant spasms. So his physician prescribes a spasmolytic drug which facilitates GABA actions in the spinal cord. Which of the following drugs would fit the criteria?
Questions: 15 | Attempts: 167 | Last updated: Mar 21, 2023
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Sample QuestionBinding of an autoinducer peptide to the sensor kinase of a quorum sensing system in a Gram-positive bacterium leads to altered regulation of genetic loci present on different parts of the chromosome and transcribed in different directions. Which of the following would best describe the organization of the genes targeted by this quorum-sensing system?
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Questions: 8 | Attempts: 569 | Last updated: Apr 21, 2023
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Sample QuestionIn all organisms, the coded instructions for specifying the characteristics of the organism are directly determined by the arrangement of the:
Questions: 27 | Attempts: 282 | Last updated: Mar 21, 2023
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Sample QuestionA 3 y.o. patient with delayed mental acuity is shown to have an enzyme deficiency of Histone Acetyltransferase (HAT) activity. What is the most likely outcome of this patient's deficiency, at the level of gene expression?
Questions: 27 | Attempts: 659 | Last updated: Mar 22, 2023
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Sample QuestionA 3 y.o. patient with delayed mental acuity is shown to have an enzyme deficiency of Histone Acetyltransferase (HAT) activity. What is the most likely outcome of this patient's deficiency, at the level of gene expression?
Questions: 8 | Attempts: 695 | Last updated: Mar 21, 2023
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Sample QuestionWhich of the following statements describing restriction endonucleases is true
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