Homework Answers
23. The human blood group system shwos the codominance type of system. In this the blood group A and B are codiminat. If both are present then both will show their phenotype. So when two parents with A and B blood group cross then these can form the offspring with AB blood group.
The answer is C.
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Question 23 (1 point) The A and B alleles in ABO blood types...
alllll them please all To MOST readily demonstrate transformation of bacteria in the laboratory one could...
alllll them please all
To MOST readily demonstrate transformation of bacteria in the laboratory one could extract DNA from: A) his cells and add the DNA to his cells, then grow the cells on plates with histidine B) hist cells and add the DNA to his cells, then grow the cells on plates without histidine C) lac" cells and add the DNA to lact cells, then grow the cells on plates without histidine D) amp cells and add the DNA...
help please as soon as possible A mutant E. coli strain is found that does not...
help please as soon as possible
A mutant E. coli strain is found that does not synthesize any enzymes in the presence or absence of lactose (or allolactose). W mutation(s) can lead to this outcome? The lac operon is shown here as a guide. fones where proteins bind DNA genes and regulatory sequences Operator La repressor B-galactosidase B-galactos de transactylase proteins promoter Operator Lacy Lac A laci o Lacz
A mutant E. coli strain is found that synthesizes B-galactosidase and permease but no B-galactoside-transacetylase in...
A mutant E. coli strain is found that synthesizes B-galactosidase and permease but no B-galactoside-transacetylase in the presence of lactose (or allolactose). What mutation(s) can lead to this outcome? The lac operon is shown here as a guide. zones where proteins bind DNA: genes and regulatory sequences I lacl promoter operator lac Z l ac Y La repressor B-galactosidase B-galactoside transacetylase proteins Operator Laci promoter Lac Y Lac A Lacz
for 1-5 define those The Lac operon is an inducible set of genes found in bacteria...
for
1-5 define those
The Lac operon is an inducible set of genes found in bacteria cells that helps the bacteria to metabolize the disaccharide lactose. When it is turned on it produces proteins that pump lactose into the bacteria cell and break it down into glucose and galactose, which can then be used by the bacteria as a source of energy The two figures below show the Lac Operon along with the lacl gene (which regulates the Lac operon...
QUESTION 8 The following situations (1-4) involve different types of gene regulation in prokaryotic cells as shown. OFF...
QUESTION 8 The following situations (1-4) involve different types of gene regulation in prokaryotic cells as shown. OFF and ON reter to whether the gene is transcribed or not. Draw clearly-labelled regulatory proteins and effector molecules in each diagram to explain how the regulation works in each case. The first one has been done for you as an example a) (6 marks) Type of Regulation Regulatory protein effector molecule 1 DNA X negative inducible OFF ON 2 negative repressible DNA...
5. Jacob, Monod, and Pardee used various E.coli mutants to help determine how the lac operon...
5. Jacob, Monod, and Pardee used various E.coli mutants to help determine how the lac operon is regulated. The descriptions of some of the mutants are listed. For each E. coli mutant determine if the lac operon would be on or off in a lactose-only environment. laci mutant: This mutant produces a super repressor that is not inactivated by allolactose. It will still stick. Operater will be off, lacO mutant: This mutant has an altered operator sequence so that the...
20862a a A mutant E. coli strain is found that does not synthesize any enzymes in...
20862a a A mutant E. coli strain is found that does not synthesize any enzymes in the presence or absence of lactose for allolactose). What mutation(s) can lead to this outcome? The lac operon is shown here as a guide. ones where proteins bind DNA genes and regulatory sequences och Operator o Lacy o Lacz o Laca promoter MacBook Air * जीप
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...
Hello! Please help with this genetics question! Question 17 (1 point) Which of the following is...
Hello! Please help with this genetics question!
Question 17 (1 point) Which of the following is an example of a protein that is not allosteric? Oi (repressor protein) Operator region (Lac operon) O CAP protein Lactose Permease GAL3 attenuation region (trp operon) promoter region (Lac operon Question 18 (1 point) The CAP binding region of the lac operon is located 5 prime of the promoter region at the 5 prime edge of the promoter regional between the promoter region and...
I am very confused on these questions. Please be as accurate as possible to recieve all...
I am very confused on these questions. Please be as accurate as possible to recieve all points. 1. Which of the following mutations could lead to constitutive expression of the genes of the lac operon? A) A mutation in the operator sequence B) A mutation in the lac-Z gene C) A mutation in the lac-Y gene D) A super repressor mutation 2. Which of the following best describes the biological role of the lac operon? A) It ensures that a...
alllll them please all
To MOST readily demonstrate transformation of bacteria in the laboratory one could extract DNA from: A) his cells and add the DNA to his cells, then grow the cells on plates with histidine B) hist cells and add the DNA to his cells, then grow the cells on plates without histidine C) lac" cells and add the DNA to lact cells, then grow the cells on plates without histidine D) amp cells and add the DNA...
help please as soon as possible
A mutant E. coli strain is found that does not synthesize any enzymes in the presence or absence of lactose (or allolactose). W mutation(s) can lead to this outcome? The lac operon is shown here as a guide. fones where proteins bind DNA genes and regulatory sequences Operator La repressor B-galactosidase B-galactos de transactylase proteins promoter Operator Lacy Lac A laci o Lacz
A mutant E. coli strain is found that synthesizes B-galactosidase and permease but no B-galactoside-transacetylase in the presence of lactose (or allolactose). What mutation(s) can lead to this outcome? The lac operon is shown here as a guide. zones where proteins bind DNA: genes and regulatory sequences I lacl promoter operator lac Z l ac Y La repressor B-galactosidase B-galactoside transacetylase proteins Operator Laci promoter Lac Y Lac A Lacz
for
1-5 define those
The Lac operon is an inducible set of genes found in bacteria cells that helps the bacteria to metabolize the disaccharide lactose. When it is turned on it produces proteins that pump lactose into the bacteria cell and break it down into glucose and galactose, which can then be used by the bacteria as a source of energy The two figures below show the Lac Operon along with the lacl gene (which regulates the Lac operon...
QUESTION 8 The following situations (1-4) involve different types of gene regulation in prokaryotic cells as shown. OFF and ON reter to whether the gene is transcribed or not. Draw clearly-labelled regulatory proteins and effector molecules in each diagram to explain how the regulation works in each case. The first one has been done for you as an example a) (6 marks) Type of Regulation Regulatory protein effector molecule 1 DNA X negative inducible OFF ON 2 negative repressible DNA...
5. Jacob, Monod, and Pardee used various E.coli mutants to help determine how the lac operon is regulated. The descriptions of some of the mutants are listed. For each E. coli mutant determine if the lac operon would be on or off in a lactose-only environment. laci mutant: This mutant produces a super repressor that is not inactivated by allolactose. It will still stick. Operater will be off, lacO mutant: This mutant has an altered operator sequence so that the...
20862a a A mutant E. coli strain is found that does not synthesize any enzymes in the presence or absence of lactose for allolactose). What mutation(s) can lead to this outcome? The lac operon is shown here as a guide. ones where proteins bind DNA genes and regulatory sequences och Operator o Lacy o Lacz o Laca promoter MacBook Air * जीप
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...
Hello! Please help with this genetics question!
Question 17 (1 point) Which of the following is an example of a protein that is not allosteric? Oi (repressor protein) Operator region (Lac operon) O CAP protein Lactose Permease GAL3 attenuation region (trp operon) promoter region (Lac operon Question 18 (1 point) The CAP binding region of the lac operon is located 5 prime of the promoter region at the 5 prime edge of the promoter regional between the promoter region and...
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