What would be the consequence of a mutation that prevented actin's ability to bind ATP with...
What would be the consequence of a mutation that prevented actin's ability to bind ATP with respect to the actin filament assembly/disassembly? Briefly explain.
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What would be the consequence of a mutation that prevented
actin's ability to bind ATP with...
answer only question number 7.please answer only question number 7 Why termination of a cell signaling...
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only question number 7.please answer only question number 7
Why termination of a cell signaling event is important? Explain with two examples how GPCR signaling is terminated. What is actin filaments treadmilling? What would be the consequence for actin filament assembly/disassembly if a mutation prevented actin's ability to bind ATP? What would be the consequence if a mutation prevented actin's ability to hydrolyze ATP? Predict the effect on a cell's actin cytoskeleton if function blocking antibody against cofilin was...
What would be the expected outcome of a mutation in E.coli that prevented methylation of adenine...
What would be the expected outcome of a mutation in E.coli that prevented methylation of adenine in the sequence 5'-GATC-3'? A) loss of epigenetic markers B) Randomization of mismatch repair C) increased mutation rate D) B and C E) All of these
A mutation in the operator of the trp operon prevents the repressor to bind to the...
A mutation in the operator of the trp operon prevents the repressor to bind to the operator, even in the presence of tryptophan. What is true with respect to the bacteria carrying this mutation? Select one: a. The bacteria will transcribe the genes of the trp operon even when tryptophan is present in the environment b. Tryptophan would not be able to bind to the repressor protein c. Small amounts of tryptophan will be lethal for the bacteria d. The...
An explanation would be appreciated. Thank you! Compared to the normal situation, in which actin monomers...
An explanation would be appreciated. Thank you!
Compared to the normal situation, in which actin monomers carry ATP, what do you predict would happen if actin monomers that bind a nonhydrolyzable form of ATP were incorporated into actin filaments? (a) Actin filaments would grow longer. (b) Actin filaments would grow shorter because depolymerization would be enhanced. (c) Actin filaments would grow shorter because new monomers could not be added to the filaments. (d) No change, as addition of monomers binding...
1) Why was the membrane incubated in blocking buffer? What would be the consequence of failing...
1) Why was the membrane incubated in blocking buffer? What would be the consequence of failing to block the membrane? 2) Explain the process of loading protein ladder and actin/myosin protein onto the gel with the fish samples and how it is necessary for analysis of the gel and immunoblot? 3) Why was a Bradford assay performed with the fish protein extracts? Fully explain why this was necessary for analysis of the gel and immunoblot? 4) The molecular mass of...
7. What would happen to the ATP yield of cellular respiration if (a) the transporter that...
7. What would happen to the ATP yield of cellular respiration if (a) the transporter that imports pyruvate into the mitochondria stopped working? Explain. (b) the transporter that imports pyruvate into the mitochondria worked only at 10% of its normal capacity? Explain. (c) The inner membrane of the mitochondria became affected by an antibiotic that prevented the buildup of a proton gradient. Explain. (d) ATP synthase started to make one ATP per proton. Explain.
A point mutation within what functional part of a DNA sequence would be most likely result...
A point mutation within what functional part of a DNA sequence would be most likely result in the production of a protein that differs from the non-mutated form by only a single amino acid? a.Promoter b.5’ or 3’ Untranslated regions c.Exons d.Introns What if the mutation prevented transcription? What if the mutation prevented the mRNA from exiting thenucleus?
What would be the consequence of the loss of the gene that encodes glycogenin in the...
What would be the consequence of the loss of the gene that encodes glycogenin in the liver? Liver glycogen will be less readily degraded. (The mobilization of liver glycogen will be impaired.) Glycogen will not be degraded unless a hormone induced pathway coverts the phosphorylase. Very little glycogen will be synthesized. Little glycogen would be present in the liver due to increased degradation. Which of the following reactions are nonspontaneous? FAD. 24" 2 FADH2 NADH + H → 20' NAD...
What is the role of the transcription factors? A mutation exists in transcription factors that causes...
What is the role of the transcription factors? A mutation exists in transcription factors that causes them to bind slightly downstream of the TATA box, causing them to cover the first 3 nucleotides of a gene. RNA polymerase can still transcribe the gene to mRNA, but it misses the first 3 nucleotides. How would this impact translation? RNA is single stranded, and as such, undergoes rapid rates of mutation. How would this affect the ability of siRNAs to combat RNA...
What would happen to the proton gradient created during photosynthesis if a genetic mutation rendered plastocyanin...
What would happen to the proton gradient created during photosynthesis if a genetic mutation rendered plastocyanin unable to bind electrons. MacBook Pro 8
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only question number 7.please answer only question number 7
Why termination of a cell signaling event is important? Explain with two examples how GPCR signaling is terminated. What is actin filaments treadmilling? What would be the consequence for actin filament assembly/disassembly if a mutation prevented actin's ability to bind ATP? What would be the consequence if a mutation prevented actin's ability to hydrolyze ATP? Predict the effect on a cell's actin cytoskeleton if function blocking antibody against cofilin was...
A mutation in the operator of the trp operon prevents the repressor to bind to the operator, even in the presence of tryptophan. What is true with respect to the bacteria carrying this mutation? Select one: a. The bacteria will transcribe the genes of the trp operon even when tryptophan is present in the environment b. Tryptophan would not be able to bind to the repressor protein c. Small amounts of tryptophan will be lethal for the bacteria d. The...
An explanation would be appreciated. Thank you!
Compared to the normal situation, in which actin monomers carry ATP, what do you predict would happen if actin monomers that bind a nonhydrolyzable form of ATP were incorporated into actin filaments? (a) Actin filaments would grow longer. (b) Actin filaments would grow shorter because depolymerization would be enhanced. (c) Actin filaments would grow shorter because new monomers could not be added to the filaments. (d) No change, as addition of monomers binding...
What would be the consequence of the loss of the gene that encodes glycogenin in the liver? Liver glycogen will be less readily degraded. (The mobilization of liver glycogen will be impaired.) Glycogen will not be degraded unless a hormone induced pathway coverts the phosphorylase. Very little glycogen will be synthesized. Little glycogen would be present in the liver due to increased degradation. Which of the following reactions are nonspontaneous? FAD. 24" 2 FADH2 NADH + H → 20' NAD...
What would happen to the proton gradient created during photosynthesis if a genetic mutation rendered plastocyanin unable to bind electrons. MacBook Pro 8
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