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The direct cause of cancer is DNA damage in genes that control the cell cycle.
Question 13 options:
| True | |
| False |
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- QUESTION 5 Bob's hand was exposed to X-rays. A gene in a skin cell of his hand was mutated. This mutated gene will: definitely cause skin cancer replicate itself and be passed on to Bob's children replicate itself when the cell divides, but will not be passed on to Bob's children.Question 8. What current method for cancer treatment attempts to involve the body's immune system to fight cancer? Short AnswerQuestion 16 Which event may lead to cancer? Select all that apply. gene mutation functioning p53 protein Rb protein phosphorylating Improper replication of DNA during synthesis faulty DNA repair
- Question 60 What are oncogenes? specific to males mutated variants of genes that code for cell division tumor suppressor genes genes that code for proteins which stop the cell cycle Question 61 Homologous chromosomes undergo recombination during prophase II. metaphase I. metaphase II. both prophase I and II. prophase I. Question 62 List three alterations that occur before mRNA leaves the nucleus for translation. Question 63 Webbing of digits (fingers) in humans, or syndactyly, typically occurs during the sixth to eighth weeks of embryonic life. One of every 2000–2500 births have syndactyly, and it is more common among Caucasian males. Syndactyly is caused by the failure of what process? cell division mitosis cytokinesis apoptosis Question 64 Arrange the following structures in order from smallest to largest? Gene, chromosome, genome, nucleotide Question 65 Which of the following is FALSE about telomeres? telomeres are repeats of a specific DNA sequence telomeres shorten…Question 10. This graph shows data on incidence of stomach cancer in Japanese people living in Japan in comparison with Japanese immigrants that moved to Hawaii and Caucasian Hawaiians. Based on this data, what can you infer regarding genetics vs the environment in this type of cancer? 100 80 60 40 20 Japanese Second-generation migrants Stomach (male) | First-generation migrants Caucasian Hawaiians Figure 16-6 Call and FAalacalar Blology, 5ier 2008 John Wily & Sons Incidence per 100,000Question 1 Homologous chromosomes are present in most diploid cells are only present after S phase of the cell cycle both a and b none of the above Moving to another question will save this response. O000
- Question 1. The picture below represents a karyotype from the lymphocytes of a child with developmental abnormalities. 11 2² 35 K K 13 19 14 20 15 21 22 16 10 b. What is unusual in this karyotype? 17 it X a. Is the child male or female? Explain your answer. 18 c. What is the name of the specific disease associated to this chromosomal abnormality? d. Briefly explain why genetic alterations like the one above may cause developmental abnormalities.QUESTION 9 For the following questions, please fill in the blank with the correct number of chromosomes (e.g. 4). Please do not spell out the number (e.g. four) or include any kind of punctuation (e.g. 4.). In an organism where the diploid number of chromosomes is 2N=8, how many chromosomes would you expect to find in cells that are in G2 of the cell cycle? How many DNA molecules would you expect to find in cells that are in G2 of the cell cycle? How many chromosomes would you expect to find in cells that are in metaphase II? How many DNA molecules would you expect to find in cells that are in metaphase II? How many chromosomes would you expect to find in cells that are in anaphase of mitosis? How many DNA molecules would you expect to find in cells that are in anaphase of mitosis?D Question 3 et Two pure breeding lines of pea are crossed. One is purple-flowered and tall, the other white- flowered and short. The F1 is purple-flowered and tall. Crossing the F1 to the white and short parent results in phenotypic and genotypic classes. O 4,2 O 3, 4 O 2,2 O 4,4 O 24
- Question 33 True or False: Mitotic phase is the shortest part of the cell cycle compared to G1, S, and G2. O True O FalseWhich phase of the cell cycle would the cell prepare for division? Question 13 options: G1 G2 S G0Question 7 Review Concept 12.2 Mitosis. Select the incorrect statement. Bacteria reproduce by mitosis. In animal cells, cytokinesis occurs by forming a cell plate. O Each duplicated chromosome contains two sister chromatids. O Mitosis is the division of the genetic materials in the nucleus.