Homework Answers
20- Option (e) is correct. All of the above.
Mutation is a permanent alteration in the nitrogenous bases of DNA. And also bacteria can increase their genetic diversity through the recombination techniques of transduction, transformation, and conjunction.
In transformation bacterium takes up a piece of DNA floating in its surrounding. In transduction the DNA gets moved by virus from one bacterium to another. In conjunction the DNA gets transferred through a tube between the cells.
7- F plasmid, which is an example of large plamid that contains genes that allow the plasmids DNA to be transferred between the cells. The F pasmid can replicate its own DNA.
So option (a) is correct.
10- A virvoid is a nonenveloped infectious piece of RNA. They comprise solely of short circular without protein coats.
Do option (b) is correct.
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Question 20 (1 point) Genetic change in bacteria can be brought about by:...
QUESTION 13 Genetic change in bacteria can be brought about by Transduction. Mutation. Transformation. Conjugation. All...
QUESTION 13 Genetic change in bacteria can be brought about by Transduction. Mutation. Transformation. Conjugation. All of the above. ooo QUESTION 14 All of the following pertain to glycolysis except occurs without oxygen. ends with formation of pyruvic acid. occurs during fermentation. degrades glucose to CO2 and H20. involves reduction of NAD. QUESTION 15 Which of the following statements about viruses is false? Viruses contain a protein coat. Viruses have genes. Viruses contain DNA or RNA but never both. Viruses...
Please solve all questions! 66. Harmless variants or their derivatives of pathogens, which stimulate the immune...
Please solve all questions!
66. Harmless variants or their derivatives of pathogens, which stimulate the immune system are called a. transformers b) vaccines c. viral envelopes d. mutagens 67. Iniectious agents of disease consisting only of proteins: a. viroidsb. viruses c. introns prions e. transposons 68. Plasmids, transposons and viruses are all a. infectious d. 2 of the above e.none of the above mobile genetic elements c. immobile genetic elements The major component of the bacterial genome is ircular double...
Match each definition in Column A with a term in Column B. Some terms may be...
Match each definition in Column A with a term in Column B. Some terms may be used more than once or not at all. Column A ______ 1. Process by which a cell breaks apart ______ 2. Process by which a virus carries DNA from one bacterium to another ______ 3. A sexual reproduction process that occurs in some types of bacteria _________ 4. Organisms that get nourishment from dead organic matter __________ 5. Rod-shaped bacteria _________ 6. Organisms that...
Instructions: Read each question carefully before selecting the one alternative that best completes the statement or...
Instructions: Read each question carefully before selecting the one alternative that best completes the statement or answers the question in each case and then indicate it on the answer card. Work at a steady pace and you should have ample time to finish the examination. MULTIPLE CHOICE (2 points each) chi Which group of organisms other than viruses is represented by the most number of individuals on earth? Insects b. Bacteria Archea d. Rats e. Earthworms c. A quaint bacteria...
Question 1 (1 point) Saved Which of these processes must precede fertilization? a) oxidation O b)...
Question 1 (1 point) Saved Which of these processes must precede fertilization? a) oxidation O b) respiration Oc) mitosis Od) meiosis O e) mutation Question 2 (1 point) Which of the following diseases is not hereditary? O a) sickle-cell anemia O b ) cystic fibrosis c) diabetes d) arthritis O e) none of the above Question 3 (1 point) was an early pioneer in the field of genetics with his famous experiments with pea plants. a) Mendel Ob) Linnaeus OC)...
35) Refer to the treatments listed to answer the question. You isolate an infectious substance capable...
35) Refer to the treatments listed to answer the question. You isolate an infectious substance capable of causing discase in plants, but you do not know whether the infectious agent is a bacterium, virus, or prion. You have four methods at your disposa to analyze the substance and determine the nature of the infectious agent. I. Treat the substance with enzymes that destroy all nucleic acids, and then determine whether the substance is still infectious. II. Filter the substance to...
forme este New York State Depart Request for COMID-19 * Take Test LECTURE EX G Which...
forme este New York State Depart Request for COMID-19 * Take Test LECTURE EX G Which b bhosted.cuny.edu/webapps/assessment/take launch ofcourse assessment id. 1399019 1course de 16 € > C Remaining Time 39 minutes, 18 seconds Question Completion Status QUESTION 39 Two human diseases caused by viruses are O polio and bovine spongiform encephalopathy smallpox and polio O malaria and tuberculosis smallpox and bovine spongiform encephalopathy QUESTION 40 A process that requires a virus to transfer DNA between two bacterial cells...
MUN for the rapid SA can be enormously benehciarlo NS FOR FURTHER REVIEW be found in...
MUN for the rapid SA can be enormously benehciarlo NS FOR FURTHER REVIEW be found in the answer section at the back wers only after you have attempted to solve th at the back of this d to solve the ques- Answers to these questions can be found in the study guide. Refer to the answers only after you tions ON JONr Own. Multiple Choice 1. DNA genomes are found in: a. All organisms and all viruses b. All organisms,...
please answer All the multiple choice questions in the pic (all pics) i dont need a...
please answer All the multiple choice questions in the pic (all
pics) i dont need a explantion .
22 Using a bacteriophage to pass DNA rom bacterium to another O A) Transduction O B) Transformation C) Translocation O D) Translation 23. What research did Rosalind Franklin contribute to the elucidation of the double helix structure of DNA? O O O A) Principles of base pairing B) Biochemical data C) Bacterial transformation data D) X ray crystallography A segment of DNA...
i need help please Question 2 (1 point) Which of the following is a function of...
i need help please
Question 2 (1 point) Which of the following is a function of T-helper cells? O a. To find and destroy cancer cells. O b. To stimulate clonal expansion in B cells. c. To attack large pathogens like parasitic worms. Od. To produce antibodies against dangerous antigens. Oe. More than one of the above. Question 4 (1 point) For mucous membranes, which is the most common portal of entry for a microbe? O a. The gastrointestinal tract....
QUESTION 13 Genetic change in bacteria can be brought about by Transduction. Mutation. Transformation. Conjugation. All of the above. ooo QUESTION 14 All of the following pertain to glycolysis except occurs without oxygen. ends with formation of pyruvic acid. occurs during fermentation. degrades glucose to CO2 and H20. involves reduction of NAD. QUESTION 15 Which of the following statements about viruses is false? Viruses contain a protein coat. Viruses have genes. Viruses contain DNA or RNA but never both. Viruses...
Please solve all questions!
66. Harmless variants or their derivatives of pathogens, which stimulate the immune system are called a. transformers b) vaccines c. viral envelopes d. mutagens 67. Iniectious agents of disease consisting only of proteins: a. viroidsb. viruses c. introns prions e. transposons 68. Plasmids, transposons and viruses are all a. infectious d. 2 of the above e.none of the above mobile genetic elements c. immobile genetic elements The major component of the bacterial genome is ircular double...
Match each definition in Column A with a term in Column B. Some terms may be used more than once or not at all. Column A ______ 1. Process by which a cell breaks apart ______ 2. Process by which a virus carries DNA from one bacterium to another ______ 3. A sexual reproduction process that occurs in some types of bacteria _________ 4. Organisms that get nourishment from dead organic matter __________ 5. Rod-shaped bacteria _________ 6. Organisms that...
Instructions: Read each question carefully before selecting the one alternative that best completes the statement or answers the question in each case and then indicate it on the answer card. Work at a steady pace and you should have ample time to finish the examination. MULTIPLE CHOICE (2 points each) chi Which group of organisms other than viruses is represented by the most number of individuals on earth? Insects b. Bacteria Archea d. Rats e. Earthworms c. A quaint bacteria...
Question 1 (1 point) Saved Which of these processes must precede fertilization? a) oxidation O b) respiration Oc) mitosis Od) meiosis O e) mutation Question 2 (1 point) Which of the following diseases is not hereditary? O a) sickle-cell anemia O b ) cystic fibrosis c) diabetes d) arthritis O e) none of the above Question 3 (1 point) was an early pioneer in the field of genetics with his famous experiments with pea plants. a) Mendel Ob) Linnaeus OC)...
35) Refer to the treatments listed to answer the question. You isolate an infectious substance capable of causing discase in plants, but you do not know whether the infectious agent is a bacterium, virus, or prion. You have four methods at your disposa to analyze the substance and determine the nature of the infectious agent. I. Treat the substance with enzymes that destroy all nucleic acids, and then determine whether the substance is still infectious. II. Filter the substance to...
forme este New York State Depart Request for COMID-19 * Take Test LECTURE EX G Which b bhosted.cuny.edu/webapps/assessment/take launch ofcourse assessment id. 1399019 1course de 16 € > C Remaining Time 39 minutes, 18 seconds Question Completion Status QUESTION 39 Two human diseases caused by viruses are O polio and bovine spongiform encephalopathy smallpox and polio O malaria and tuberculosis smallpox and bovine spongiform encephalopathy QUESTION 40 A process that requires a virus to transfer DNA between two bacterial cells...
MUN for the rapid SA can be enormously benehciarlo NS FOR FURTHER REVIEW be found in the answer section at the back wers only after you have attempted to solve th at the back of this d to solve the ques- Answers to these questions can be found in the study guide. Refer to the answers only after you tions ON JONr Own. Multiple Choice 1. DNA genomes are found in: a. All organisms and all viruses b. All organisms,...
please answer All the multiple choice questions in the pic (all
pics) i dont need a explantion .
22 Using a bacteriophage to pass DNA rom bacterium to another O A) Transduction O B) Transformation C) Translocation O D) Translation 23. What research did Rosalind Franklin contribute to the elucidation of the double helix structure of DNA? O O O A) Principles of base pairing B) Biochemical data C) Bacterial transformation data D) X ray crystallography A segment of DNA...
i need help please
Question 2 (1 point) Which of the following is a function of T-helper cells? O a. To find and destroy cancer cells. O b. To stimulate clonal expansion in B cells. c. To attack large pathogens like parasitic worms. Od. To produce antibodies against dangerous antigens. Oe. More than one of the above. Question 4 (1 point) For mucous membranes, which is the most common portal of entry for a microbe? O a. The gastrointestinal tract....
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