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LUCIDUVIIDIUV SCI ed: Nov 14 at 2:03pm iz Instructions Question 64 10 pts Answer the following...
Fill in the blanks in the following sentences by selecting from the drop-down menus. When E.coli...
Fill in the blanks in the following sentences by selecting from the drop-down menus. When E.coli cells are grown in the presence of high glucose and high lactose, the lac repressor is not bound to the lac operator, CAMP levels in the cell are high and CAP is mostly bound to the CAP binding site in the lac promoter. Under these conditions, transcription of the lac operon Select When E.coli cells are grown in the absence of glucose and presence...
Yet, all the cells in your body contain the same genes (and same alleles). The difference...
Yet, all the cells in your body contain the same
genes (and same alleles). The difference across cell types
is that genes get selectively expressed (turned on or off)
based on the proteins needed for cellular function given their
environment.
Select which statement explains the reason why hair does not
normally grow on your muscle cells.
a.
Muscle cells have the gene for keratin, but do not express
it
b.
Muscle cells do not have the gene for keratin and...
Please help me with this question and if you can explain why. Which of the following...
Please help me with this
question and if you can explain why.
Which of the following statements are true for bacteria grown in the absence of glucose and absence of lactose? Select all that apply. High levels of cAMP CAP bound to CAP binding site Low or no levels of allolactose O High levels of lacZYA mRNA No transcription of lacZYA Lac repressor bound to operator CAP is not bound to binding site O High levels of allolactose Lac repressor...
1) Which of the following conditions is most likely to cause the lactose operon to be...
1) Which of the following conditions is most likely to cause the lactose operon to be transcribed? A) There is more glucose in the cell than lactose. B) There is glucose but no lactose in the cell. C) The cyclic AMP and lactose levels are both high within the cell. D) The CAMP level is high and the lactose level is low. 2) How does the transcription of structural genes in an inducible operon occur? A) It occurs continuously in...
Please solve all of them Lac Mutants 1-Copy 2 of 10 CAP laclCAP gene lacO lacP...
Please solve all of them
Lac Mutants 1-Copy 2 of 10 CAP laclCAP gene lacO lacP acolacZacY Carbon source in theLac operon p-galactosidaseLactose permease binding site me levels in levels in the cell polycistronic mRNA enzy levels in the cell Undetectable Low but detectable Low but deteteable Low but detectable medium the cell Undetectable membrane Glucose only Glucose and lactose Lactose on Another carbon source Undetectable Undetectable Undetectable Undetectable The table shows the results of experiments measuring expression of the...
gene regulation of bacteria operon systems. Protected View . Saved to this PG References Mailings Review...
gene regulation of bacteria operon systems. Protected View . Saved to this PG References Mailings Review View Help Tell me what you want to do ernet can contain viruses. Unless you need to edit, it's safe to stay in Protected View Enable Editing 5. What happens if lactose levels are low? Put the following list in order (1-5). RNA polymerase is blocked from transcribing the genes for the lactose metabolizing enzymes When RNA polymerase binds to the promoter, it cannot...
Which of the following statements about Huntington's is true? You can retry this question, the average...
Which of the following statements about Huntington's is true? You can retry this question, the average of your two answers is recorded. You should see feedback if you get a question wrong. O a. The mutated allele(s) has/have lost the function of keeping brain cells healthy, and is/are therefor a dominant disease O b. Huntington is a very rare and therfor recessive. c. Huntington strikes people after reproductive age and is therefor dominant. d. The mutated allele(s) has/have gained the...
2. Suppose you have six strains of E. coli. One is wild type, and each of the other five has a single one of the follow...
2. Suppose you have six strains of E. coli. One is wild type, and each of the other five has a single one of the following mutations: lacZ, lacY, laď·0; and lach. For each of these six strains, describe the phenotype you would observe using the following assays. Explain your answers. [Notes: (1) IPTG is a colorless synthetic molecule that acts as an inducer of lac operon expression but cannot serve as a carbon source for bacterial growth because it...
all them please Question 23 (1 point) The A and B alleles in ABO blood types...
all them please
Question 23 (1 point) The A and B alleles in ABO blood types can give rise to an individual that is blog type AB. This specific blood type is an example of: A) multiple alleles B) epistasis C) codominance D) partial dominance Imagine the gene encoding the lac repressor was mutated so that lactose (more technically allolactose) no longer bound to the repressor. However, the lac repressor was still capable of binding DNA at the operator sequence....
For Questions 4-18, consider the mutations described in the left-hand column below. Identify whether the Lac operon will be ON or OFF in each of the environments listed across the top. The expression...
For Questions 4-18, consider the mutations described in the left-hand column below. Identify whether the Lac operon will be ON or OFF in each of the environments listed across the top. The expression of the normal (wild type) operon is given. Note that "ON" and "OFF" refer to whether the operon is expressed at high levels (ON) or basal//low/no levels (OFF). (Hint: mutations render the indicated site inactive while leaving the remaining part of the operon or protein functional.) Note...
Fill in the blanks in the following sentences by selecting from the drop-down menus. When E.coli cells are grown in the presence of high glucose and high lactose, the lac repressor is not bound to the lac operator, CAMP levels in the cell are high and CAP is mostly bound to the CAP binding site in the lac promoter. Under these conditions, transcription of the lac operon Select When E.coli cells are grown in the absence of glucose and presence...
Yet, all the cells in your body contain the same
genes (and same alleles). The difference across cell types
is that genes get selectively expressed (turned on or off)
based on the proteins needed for cellular function given their
environment.
Select which statement explains the reason why hair does not
normally grow on your muscle cells.
a.
Muscle cells have the gene for keratin, but do not express
it
b.
Muscle cells do not have the gene for keratin and...
Please help me with this
question and if you can explain why.
Which of the following statements are true for bacteria grown in the absence of glucose and absence of lactose? Select all that apply. High levels of cAMP CAP bound to CAP binding site Low or no levels of allolactose O High levels of lacZYA mRNA No transcription of lacZYA Lac repressor bound to operator CAP is not bound to binding site O High levels of allolactose Lac repressor...
1) Which of the following conditions is most likely to cause the lactose operon to be transcribed? A) There is more glucose in the cell than lactose. B) There is glucose but no lactose in the cell. C) The cyclic AMP and lactose levels are both high within the cell. D) The CAMP level is high and the lactose level is low. 2) How does the transcription of structural genes in an inducible operon occur? A) It occurs continuously in...
Please solve all of them
Lac Mutants 1-Copy 2 of 10 CAP laclCAP gene lacO lacP acolacZacY Carbon source in theLac operon p-galactosidaseLactose permease binding site me levels in levels in the cell polycistronic mRNA enzy levels in the cell Undetectable Low but detectable Low but deteteable Low but detectable medium the cell Undetectable membrane Glucose only Glucose and lactose Lactose on Another carbon source Undetectable Undetectable Undetectable Undetectable The table shows the results of experiments measuring expression of the...
gene regulation of bacteria operon systems. Protected View . Saved to this PG References Mailings Review View Help Tell me what you want to do ernet can contain viruses. Unless you need to edit, it's safe to stay in Protected View Enable Editing 5. What happens if lactose levels are low? Put the following list in order (1-5). RNA polymerase is blocked from transcribing the genes for the lactose metabolizing enzymes When RNA polymerase binds to the promoter, it cannot...
Which of the following statements about Huntington's is true? You can retry this question, the average of your two answers is recorded. You should see feedback if you get a question wrong. O a. The mutated allele(s) has/have lost the function of keeping brain cells healthy, and is/are therefor a dominant disease O b. Huntington is a very rare and therfor recessive. c. Huntington strikes people after reproductive age and is therefor dominant. d. The mutated allele(s) has/have gained the...
2. Suppose you have six strains of E. coli. One is wild type, and each of the other five has a single one of the following mutations: lacZ, lacY, laď·0; and lach. For each of these six strains, describe the phenotype you would observe using the following assays. Explain your answers. [Notes: (1) IPTG is a colorless synthetic molecule that acts as an inducer of lac operon expression but cannot serve as a carbon source for bacterial growth because it...
all them please
Question 23 (1 point) The A and B alleles in ABO blood types can give rise to an individual that is blog type AB. This specific blood type is an example of: A) multiple alleles B) epistasis C) codominance D) partial dominance Imagine the gene encoding the lac repressor was mutated so that lactose (more technically allolactose) no longer bound to the repressor. However, the lac repressor was still capable of binding DNA at the operator sequence....
For Questions 4-18, consider the mutations described in the left-hand column below. Identify whether the Lac operon will be ON or OFF in each of the environments listed across the top. The expression of the normal (wild type) operon is given. Note that "ON" and "OFF" refer to whether the operon is expressed at high levels (ON) or basal//low/no levels (OFF). (Hint: mutations render the indicated site inactive while leaving the remaining part of the operon or protein functional.) Note...
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