Degradation of a protein can be activated by: select all that apply
covalent modifications to the target protein |
covalent modifications to a protein that interacts with the target protein |
covalent modifications to the E3 |
changes in gene expression for a protein that interacts with the E3 |
Answer:
Any changes or modification leading tpo the covalent modifications, will lead to degradation of the target protein.
Degradation of a protein can be activated by: select all that apply covalent modifications to the...
Possible genetic modifications that can cause epigenetic changes in gene expression include: (Select all that apply) DNA methylation chromosomal inversion. chromatin remodeling. histone acetylation. genomic imprinting. mRNA degradation. histone variant localization
Question 19 (2 points) Select all choices that apply The lac operon is activated by the presence of glucose regulates expression of a eukaryotic gene has a regulatory sequence downstream of the transcription start site can be bound by both positive and negative regulators of transcription expresses three proteins simultaneously relies on G protein coupled receptors
Mutations in the exons of eukaryotic genes can result in changes in the translated protein. Nonexonic mutations, mutations in regions of a gene outside of the exons, can also alter the rate of transcription and the final protein. In which of the following situations would nonexonic mutations either affect expression of the gene or alter the structure of the final protein? Select all of the statements that apply.
Chaperone proteins Select one: Target damaged proteins for degradation b. Contribute to protein folding c. Are integral membrane proteins d. All of the above
The first level of gene regulation occurs along the chromosome, through chemical modifications of the DNA or histones. How do these chemical modifications cause changes in gene expression? Select all that apply a. The chemical modifications to DNA could prevent the removal of introns from the mRNA b. The chemical modifications to DNA could activates enzymes that add chemical modifications to histones c. The chemicalodifications to DNA and histones could affect the binding of ribsomea to mRNA to initiate translation...
The activity of many enzymes is regulated by reversible covalent modifications. Kinases add a phosphate group from an ATP to a specific hydroxyl group on an amino acid residue within an enzyme. Which of the following amino acids can be phosphorylated by a kinase? (Select all that apply) Cys His Tyr Thr Phe Ser Val
1-1. You wish to insert a gene involved in the degradation of a toxic compound into a plasmid, and then use the plasmid as a vector to transform a species of bacteria so that it can be used in a bioremediation effort to clean up hazardous waste. In order to accomplish this, you will need to ______. SELECT ALL THAT APPLY. -digest both the gene and plasmid with the same restriction enzymes in order to yield appropriate "sticky ends" that...
Signal amplification is an essential step in signal transduction. Which of the following steps of signal transduction amplify the signal (select all that apply)? Group of answer choices a) ligand binding to receptor b) release of GTP bound form of G protein from receptor c) binding of GTP bound form of G protein to target enzyme d) generation of second messenger by activated target enzyme e) activation of gene expression
Identify mechanisms that can switch off gene expression. (Select all that apply) A. translation inhibition B. mRNA synthesis inhibition C. Methylation D. Phosphorylation E. Acetylation
please help, thank you!
Which of the following are true of lipoamide in pyruvate dehydrogenase (PDH)? (Choose all that apply.) Select all that apply The "active" part of the chemical structure of lipoamide that participates in the reactions of PDH is an amide group. Lipoamide is reduced by FADH2 from the E1 subunit. Lipoamide accepts an activated aldehyde from TPP in E1. A covalent bond is formed and broken between lipoamide and a compound with three carbon atoms during the...