Homework Answers
38. Answer: Option
B is correct
Explanation:
The CRISPR-Cas system is an adaptive immune mechanism found in
prokaryotes.
It utilizes guide RNAs to target viral DNA sequences.
39. Answer: Option
A is correct
Explanation:
RNA sequence: 5'-AUGAUUAAAGAAUGA-3'
Amino acid sequence: N-MIKE-C
40. Answer: Option
D is correct
Explanation:
The ETC is dependent on the presence of oxygen.
It does not occur in the absence of oxygen.
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Question 38 Which of the following statements regarding CRISPR-Cas system is TRUE? Not yet answered Points...
Question 15 Not yet answered Which of the following is TRUE about eukaryotic enhancers: An enhancer...
Question 15 Not yet answered Which of the following is TRUE about eukaryotic enhancers: An enhancer Points out of 2.50 P Flag question Select one: O a. Is a DNA sequence that can be far away from the promoter and where transcriptional activators bind O b. Is an operator DNA sequence where the Mediator complex binds o c. Is a DNA sequence where the general transcription factors bind O d. Is a protein that binds at the promoter and activates...
Which of the following is NOT expected when a eukaryotic cell is deprived from Oxygen? Question...
Which of the following is NOT expected when a eukaryotic cell is deprived from Oxygen? Question 40 Not yet answered Points out of 2.50 P Flag question Select one: O a. The formation of CO2 from cell respiration stops o b. Reduction of the production of ATP by substrate level phosphorylation in the mitochondria c. All listed events are expected in a eukaryotic cell deprived of oxygen O d. The cell reduces pyruvate (fermentation) to allow the ETC to continue...
Question 19 Not yet answered The following diagram represents a replication bubble. The grey circles represents...
Question 19 Not yet answered The following diagram represents a replication bubble. The grey circles represents 4 molecules of DNA polymerase III siting on a template strand and ready to add new nucleotides to the RNA primers (not shown). Which of the 4 DNA pol III molecules will create okazaki fragments? Points out of 2.50 P Flag question A B 5' 3' Select one: o a. Cand D O b. Only A O c. B and C O d. A...
Question 12 Not yet answered Points out of 1.00 P Flag question The DNA remains in...
Question 12 Not yet answered Points out of 1.00 P Flag question The DNA remains in the nucleus when RNA is made. That process is properly known as Select one: O a. transcription. O b. translation. c. transmutation. d. conversation. Question 13 Not yet answered Points out of 1.00 P Flag question The copy of the DNA in the form of RNA leaves the nucleus and goes to the Select one: a. cell membrane. b. Golgi bodies C. vacuole. Od....
Question 51 Not yet answered Strain R of E. coli has an RM system that modifies/cleaves...
Question 51 Not yet answered Strain R of E. coli has an RM system that modifies/cleaves the sequence GAATTC. Sometimes invading phage DNA is methylated by the strain R methylase before the endonuclease can cleave the viral DNA, and then replicates in the methylated form and forms viral particles. If you add some of these viral particles to uninfected bacteria of strain R, what will happen? Points out of 2.50 P Flag question Select one: O a. The invading phage...
Question 1 Not yet answered Consider the following western blot for tubulin. Each lane represents a...
Question 1 Not yet answered Consider the following western blot for tubulin. Each lane represents a different cell line culture. What can be concluded from this blot? Points out of 2.50 P Flag question 191 97 64- 51 -B-Tubulin 39 28 19- Select one: a. Tubulins from different organisms vary in size O b. More than one statement can be concluded from this western blot c. Tubulin is expressed in all cell lines tested O d. The primary antibody used...
DNA has a strong attraction to nucleosomes because: Question 5 Not yet answered Points out of...
DNA has a strong attraction to nucleosomes because: Question 5 Not yet answered Points out of 2.50 P Flag question Select one: O a. DNA is positively charged and nucleosomal histones are negatively charged O b. DNA and nucleosomal histones are both positively charged and associate together O c. DNA and nucleosomal histones are both neutral and associate togethe о d. DNA and nucleosomal histones are both negatively charged and associate together о e. DNA is negatively charged and nucleosomal...
Question 16 Not yet answered The rate-limiting factor that determines whether a cell can undergo anaerobic...
Question 16 Not yet answered The rate-limiting factor that determines whether a cell can undergo anaerobic glycolysis is the amount of Points out of 1.00 P Flag Question Select one: O a. protons available O b. pyruvate available O c. lactate dehydrogenase available. O d. ATP it produces Blocking lactate dehydrogenase in a cell producing ATP in the absence of oxygen would Question 17 Not yet answered Points out of 100 P Flag question Select one: O a. halt the...
Question 9 Not yet answered The four genes in the following cross are independent from one...
Question 9 Not yet answered The four genes in the following cross are independent from one another. Capital letters indicate dominant alleles. If the cross produces 160 individuals, how many of them will express the dominant phenotype for all the four genes at the same time? AaBBDdEe X aaBbddEe Points out of 2.50 P Flag question Answer: Which of the following statements regarding ATP hydrolysis is FALSE? Question 10 Not yet answered Points out of 2.50 p Flag question Select...
Question 8 Not yet answered Points out of 1.00 Flag question Which of the following enzymes...
Question 8 Not yet answered Points out of 1.00 Flag question Which of the following enzymes are NOT regulatory points for the activity of the citric acid cycle? Select one: a. succinate dehydrogenase O b. isocitrate dehydrogenase o'c. a-ketoglutarate dehydrogenase O d. citrate synthase o e. pyruvate dehydrogenase
Question 15 Not yet answered Which of the following is TRUE about eukaryotic enhancers: An enhancer Points out of 2.50 P Flag question Select one: O a. Is a DNA sequence that can be far away from the promoter and where transcriptional activators bind O b. Is an operator DNA sequence where the Mediator complex binds o c. Is a DNA sequence where the general transcription factors bind O d. Is a protein that binds at the promoter and activates...
Which of the following is NOT expected when a eukaryotic cell is deprived from Oxygen? Question 40 Not yet answered Points out of 2.50 P Flag question Select one: O a. The formation of CO2 from cell respiration stops o b. Reduction of the production of ATP by substrate level phosphorylation in the mitochondria c. All listed events are expected in a eukaryotic cell deprived of oxygen O d. The cell reduces pyruvate (fermentation) to allow the ETC to continue...
Question 19 Not yet answered The following diagram represents a replication bubble. The grey circles represents 4 molecules of DNA polymerase III siting on a template strand and ready to add new nucleotides to the RNA primers (not shown). Which of the 4 DNA pol III molecules will create okazaki fragments? Points out of 2.50 P Flag question A B 5' 3' Select one: o a. Cand D O b. Only A O c. B and C O d. A...
Question 12 Not yet answered Points out of 1.00 P Flag question The DNA remains in the nucleus when RNA is made. That process is properly known as Select one: O a. transcription. O b. translation. c. transmutation. d. conversation. Question 13 Not yet answered Points out of 1.00 P Flag question The copy of the DNA in the form of RNA leaves the nucleus and goes to the Select one: a. cell membrane. b. Golgi bodies C. vacuole. Od....
Question 51 Not yet answered Strain R of E. coli has an RM system that modifies/cleaves the sequence GAATTC. Sometimes invading phage DNA is methylated by the strain R methylase before the endonuclease can cleave the viral DNA, and then replicates in the methylated form and forms viral particles. If you add some of these viral particles to uninfected bacteria of strain R, what will happen? Points out of 2.50 P Flag question Select one: O a. The invading phage...
Question 1 Not yet answered Consider the following western blot for tubulin. Each lane represents a different cell line culture. What can be concluded from this blot? Points out of 2.50 P Flag question 191 97 64- 51 -B-Tubulin 39 28 19- Select one: a. Tubulins from different organisms vary in size O b. More than one statement can be concluded from this western blot c. Tubulin is expressed in all cell lines tested O d. The primary antibody used...
DNA has a strong attraction to nucleosomes because: Question 5 Not yet answered Points out of 2.50 P Flag question Select one: O a. DNA is positively charged and nucleosomal histones are negatively charged O b. DNA and nucleosomal histones are both positively charged and associate together O c. DNA and nucleosomal histones are both neutral and associate togethe о d. DNA and nucleosomal histones are both negatively charged and associate together о e. DNA is negatively charged and nucleosomal...
Question 16 Not yet answered The rate-limiting factor that determines whether a cell can undergo anaerobic glycolysis is the amount of Points out of 1.00 P Flag Question Select one: O a. protons available O b. pyruvate available O c. lactate dehydrogenase available. O d. ATP it produces Blocking lactate dehydrogenase in a cell producing ATP in the absence of oxygen would Question 17 Not yet answered Points out of 100 P Flag question Select one: O a. halt the...
Question 9 Not yet answered The four genes in the following cross are independent from one another. Capital letters indicate dominant alleles. If the cross produces 160 individuals, how many of them will express the dominant phenotype for all the four genes at the same time? AaBBDdEe X aaBbddEe Points out of 2.50 P Flag question Answer: Which of the following statements regarding ATP hydrolysis is FALSE? Question 10 Not yet answered Points out of 2.50 p Flag question Select...
Question 8 Not yet answered Points out of 1.00 Flag question Which of the following enzymes are NOT regulatory points for the activity of the citric acid cycle? Select one: a. succinate dehydrogenase O b. isocitrate dehydrogenase o'c. a-ketoglutarate dehydrogenase O d. citrate synthase o e. pyruvate dehydrogenase
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