please answer the following Microbiology question.
Homework Answers
Phosphorylation by kinases is not irreversible but reversible .
Hence statement (c) should be FALSE.
Other statements are true:
GTpase activity is regulated by association with protein (eg. GEF, NEF).
Proteolytic cleavage activates Various enzymes.
Ubiquitination plays role in protein degradation, immune system, cell division regulation.
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please answer the following Microbiology question.
Which of the following statements is FALSE? A. The activity...
1) Complete the paragraph that follows by entering the correct term from the list below in...
1) Complete the paragraph that follows by entering the correct term from the list below in each space. Not all terms will be used and none may be used more than once. Be sure to check your spelling carefully. irreversible coenzyme allosteric GDP molecular switch reversible prosthetic ATP Many proteins are controlled by ___________ regulation , where a ligand binds to part of the protein other than the active site. Others are subject to ____________ covalent modification with phosphoryl, methyl,...
QUESTION 1 You may choose more than one answer Which of the following are modifications of...
QUESTION 1 You may choose more than one answer Which of the following are modifications of proteins which may affect protein function? phosphorylation ubiquitination disulfide bonds GTP binding QUESTION 2 You may choose more than one answer. Which of the following post-translational modifications of proteins occur in the lumen of the endoplasmic reticulum? proteolytic cleavage formation of disulfide bonds aldol condensation of sugars glycosylation conformational folding and formation of quarternary structure QUESTION 3 You may choose more than one answer....
or each of the following sentences, select the best word or phrase from the list below to fill in the blanks ot all words or phrases will be used; each word or phrase should be used only once 38....
or each of the following sentences, select the best word or phrase from the list below to fill in the blanks ot all words or phrases will be used; each word or phrase should be used only once 38. (3) An extracellular signal molecule can act to change a cell's behavior by acting through cell that control intracellular signaling proteins. These intracellular proteins that bring surface signaling proteins ultimately change the activity of about cell responses. Intracellular signaling proteins can...
Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor...
Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor tyrosine kinase (RTK). In this pathway, R7 photoreceptor development requires a receptor (SEV, sevenless), which is activated by binding to a plasma membrane bound signal (BOSS, bride-of-sevenless) displayed on the adjacent R8 cell Receptor activation leads to activation of RAS via two proteins, Drk (down- stream of receptor kinases) and Sos (son-of-sevenless). Activated RAS leads to activation of a phosphorylation cascade that activates the...
correct answer please Question 12 Complete 0.00 points out of 1.00 P Flag question In addition...
correct answer please
Question 12 Complete 0.00 points out of 1.00 P Flag question In addition to microscopy, the Weimbs lab then analyzed whether crystal deposition, and the resulting tubule dilation, required protein kinase cascade activity. In essence, the tubules detect obstruction, activate phosphorylation cascades (comprised of protein kinases - remember, these are enzymes that often phosphorylate themselves and phosphorylate other proteins) that carry the external stimulus to the cell's nucleus and changes gene expression, resulting in tubule dilation To...
1 2 3 4 5 6 7 8 9 Part A Which of the following is/are...
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Part A Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction? quantum tunneling decreasing the number of reactive molecules permanently binding substrates inefficient collisions altering the temperature within the cell to one appropriate for reactions to proceed Subrnit Request Answer Part A An enzyme Obinds substrates in a manner that facilitates the formation of product decreases the rate of a reaction. is always...
please answer all 6 questions Question 27 3 pts TRBP is a protein important for the...
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
Which of these statements about the composition of membranes is true?
Which of these statements about the composition of membranes is true?A) All biological membranes contain cholesterol.B) Free fatty acids are major components of all membranes. C) The inner and outer membranes of mitochondria have different protein compositions.D) The lipid composition of all membranes of eukaryotic cells is essentially the same.E) The lipid: protein ratio varies from about 1: 4 to 4: 1Membrane proteins:A) ere sometimes covalently attached to lipid moieties:B) are sometimes covalently attached to carbohydrate moieties.C) are composed of...
Microbiology study guide questions. Please Help! s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
Question 1 of 8 2.0 Points Which of the following statements about the cytoskeleton is false?...
Question 1 of 8 2.0 Points Which of the following statements about the cytoskeleton is false? A. The cytoskeleton is made up of three types of protein filaments. B. The cytoskeleton controls the location of organelles in eukaryotic cells. C. Covalent bonds between protein monomers hold together cytoskeletal filaments. D. The cytoskeleton of a cell can change in response to the environment. Reset Selection Question 2 of 8 2.0 Points Which of the following statements about the function of the...
QUESTION 1 You may choose more than one answer Which of the following are modifications of proteins which may affect protein function? phosphorylation ubiquitination disulfide bonds GTP binding QUESTION 2 You may choose more than one answer. Which of the following post-translational modifications of proteins occur in the lumen of the endoplasmic reticulum? proteolytic cleavage formation of disulfide bonds aldol condensation of sugars glycosylation conformational folding and formation of quarternary structure QUESTION 3 You may choose more than one answer....
or each of the following sentences, select the best word or phrase from the list below to fill in the blanks ot all words or phrases will be used; each word or phrase should be used only once 38. (3) An extracellular signal molecule can act to change a cell's behavior by acting through cell that control intracellular signaling proteins. These intracellular proteins that bring surface signaling proteins ultimately change the activity of about cell responses. Intracellular signaling proteins can...
Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor tyrosine kinase (RTK). In this pathway, R7 photoreceptor development requires a receptor (SEV, sevenless), which is activated by binding to a plasma membrane bound signal (BOSS, bride-of-sevenless) displayed on the adjacent R8 cell Receptor activation leads to activation of RAS via two proteins, Drk (down- stream of receptor kinases) and Sos (son-of-sevenless). Activated RAS leads to activation of a phosphorylation cascade that activates the...
correct answer please
Question 12 Complete 0.00 points out of 1.00 P Flag question In addition to microscopy, the Weimbs lab then analyzed whether crystal deposition, and the resulting tubule dilation, required protein kinase cascade activity. In essence, the tubules detect obstruction, activate phosphorylation cascades (comprised of protein kinases - remember, these are enzymes that often phosphorylate themselves and phosphorylate other proteins) that carry the external stimulus to the cell's nucleus and changes gene expression, resulting in tubule dilation To...
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Part A Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction? quantum tunneling decreasing the number of reactive molecules permanently binding substrates inefficient collisions altering the temperature within the cell to one appropriate for reactions to proceed Subrnit Request Answer Part A An enzyme Obinds substrates in a manner that facilitates the formation of product decreases the rate of a reaction. is always...
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
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