Homework Answers
A phosphorylase. The addition of phosphate groups to the proteins in the R-group, is called phosphorylation which is carried out by certain enzymes called phosphorylases which catalyzes this function.
Whereas, a phosphatase is an enzyme that works the opposite. It detaches or removes phosphate groups from proteins.
A protease is some enzyme that will help breaking down the protein into its simpler forms i.e. amino acids.
An ATPase is another enzyme which works in hydrolysis of phosphate bond in ATP to get an ADP.
A phosphodiesterase is also an enzyme that breaks phosphodiester bonds like- it helps in hydrolysis of the second Messengers cAMP and cGMP into AMP and GMP.
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D Question 28 2.2 pts The addition of phosphate groups to specific proteins is a function...
Phosphatases are a family of enzymes that remove phosphate groups from specific proteins; these phosphate groups had been added to the proteins by protein kinases. Vanadate is an inhibitor of phosphat...
Phosphatases are a family of enzymes that remove phosphate groups from specific proteins; these phosphate groups had been added to the proteins by protein kinases. Vanadate is an inhibitor of phosphatases in eukaryotic cells. What effect would vanadate have on the response of cells to signals received by receptor kinases? A) The signal would still bind the receptor, so there would be no effect. B) The response of the cell would last longer than it normally would. C) The response...
Protein phosphatases catalyze removal of phosphate groups from proteins. How would the activity of a protein...
Protein phosphatases catalyze removal of phosphate groups from proteins. How would the activity of a protein phosphatase affect a cell's response to growth factors? a) Decrease proliferation b) Decrease glucose production c) Increase proliferation d) Increase glucose production
Question 13 0.5 pts Protein phosphorylation is catalyzed by? Protein kinase Protein Phosphatase Antibodies Antigens None...
Question 13 0.5 pts Protein phosphorylation is catalyzed by? Protein kinase Protein Phosphatase Antibodies Antigens None of the above Question 14 0.5 pts In an aqueous solution, which amino acid will orient itself inside the center of the protein? Valine Aspartic Acid Arginine Serine Glutamine Question 15 0.5 pts Enzymes in the enzyme class "kinase": Break down nucleic acids by hydrolying bonds between nucleotides O Catalyze the addition of phosphate groups to molecules Break down proteins by hydrolyzing peptide bonds...
Question 21 2.2 pts Which of the following methods is not typically used to terminate a...
Question 21 2.2 pts Which of the following methods is not typically used to terminate a signaling cascade? altering the pH of the cytoplasm. o removing phosphate groups e compartmentalizing calciumions degrading CAMP
During glycolysis, the addition of a new phosphate group on to a substrate can be catalyzed...
During glycolysis, the addition of a new phosphate group on to a substrate can be catalyzed by which class(es) of enzymes? Kinase and phosphorylase Kinase and transferase Mutase and Isomerase Phosphorylase and Mutase QUESTION 17 Which of the following factors makes hydrolysis of acetyl coA a favorable process? Enol-keto tautomerization Increased delocalization of the pl-cloud Change of non-aromatic structure to aromatic structure Separation of like charges Substrate Level phosphorylation occurs during glycolysis... step 6, during the formation of 1,3 bisphosphoglycerate...
D Question 22 2.2 pts In the process of cell signaling, the signaling molecule that is...
D Question 22 2.2 pts In the process of cell signaling, the signaling molecule that is specifically detected by the target cell o is called a signal transducer. o is called a polymer is known as a secondary messenger. is called a ligand. e terminates the signal reception If phosphorylation were inhibited, this would most affect the activity of G-protein-linked receptors. e ligand-gated ion channels. transcription factors e phosphatase enzymes. O receptor tyrosine kinases.
Question 11 4 pts Which of the following is NOT found in DNA? Pyrimidine-Uracil Phosphate groups...
Question 11 4 pts Which of the following is NOT found in DNA? Pyrimidine-Uracil Phosphate groups O Purines - Adenine and Guanine Deoxyribose sugar
QUESTION 3 Adenine, cytosine, guanine, and thymine are: phosphate groups. O amino acids. Othe four helical...
QUESTION 3 Adenine, cytosine, guanine, and thymine are: phosphate groups. O amino acids. Othe four helical strands of DNA. nitrogenous bases. QUESTION 4 DNA contains: the enzymes necessary for cell division. the genetic code for all parts of the body a genetic blueprint for making proteins only proteins for structural elements in the cell.
help with 7-10 Question 7 1 pts Phosphorylation of kinases in one location can result in activation, while phosphor...
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with 7-10
Question 7 1 pts Phosphorylation of kinases in one location can result in activation, while phosphorylation in another location on the same protein can result in deactivation of the enzyme. True False Question 8 2 pts Dephosphorylation, or removal of a phosphate group, is accomplished with the help of a both kinases and phosphatases neither kinases not phosphatases phosphatase kinase Question 9 1 pts Select all of the following that act as second messengers. D DAG CAMP...
D Question Cell membranes are mostly made of carbohydrates, including cellulose phospholipids proteins 2 pts D...
D Question Cell membranes are mostly made of carbohydrates, including cellulose phospholipids proteins 2 pts D Question 27 Which of the following applies to a bacterial cell? Bacterial cells are generally larger than plant or animal cells. Most bacterial cells cause some form of disease. Bacterial cellslack some form of cell wall. Bacterial cells lackmembrane-bound organelles such as mitochondria D Question 28 2 pts Which of the following least applies to the cell cytoskeleton? tied to change the overall shape...
Question 13 0.5 pts Protein phosphorylation is catalyzed by? Protein kinase Protein Phosphatase Antibodies Antigens None of the above Question 14 0.5 pts In an aqueous solution, which amino acid will orient itself inside the center of the protein? Valine Aspartic Acid Arginine Serine Glutamine Question 15 0.5 pts Enzymes in the enzyme class "kinase": Break down nucleic acids by hydrolying bonds between nucleotides O Catalyze the addition of phosphate groups to molecules Break down proteins by hydrolyzing peptide bonds...
Question 21 2.2 pts Which of the following methods is not typically used to terminate a signaling cascade? altering the pH of the cytoplasm. o removing phosphate groups e compartmentalizing calciumions degrading CAMP
During glycolysis, the addition of a new phosphate group on to a substrate can be catalyzed by which class(es) of enzymes? Kinase and phosphorylase Kinase and transferase Mutase and Isomerase Phosphorylase and Mutase QUESTION 17 Which of the following factors makes hydrolysis of acetyl coA a favorable process? Enol-keto tautomerization Increased delocalization of the pl-cloud Change of non-aromatic structure to aromatic structure Separation of like charges Substrate Level phosphorylation occurs during glycolysis... step 6, during the formation of 1,3 bisphosphoglycerate...
D Question 22 2.2 pts In the process of cell signaling, the signaling molecule that is specifically detected by the target cell o is called a signal transducer. o is called a polymer is known as a secondary messenger. is called a ligand. e terminates the signal reception If phosphorylation were inhibited, this would most affect the activity of G-protein-linked receptors. e ligand-gated ion channels. transcription factors e phosphatase enzymes. O receptor tyrosine kinases.
Question 11 4 pts Which of the following is NOT found in DNA? Pyrimidine-Uracil Phosphate groups O Purines - Adenine and Guanine Deoxyribose sugar
QUESTION 3 Adenine, cytosine, guanine, and thymine are: phosphate groups. O amino acids. Othe four helical strands of DNA. nitrogenous bases. QUESTION 4 DNA contains: the enzymes necessary for cell division. the genetic code for all parts of the body a genetic blueprint for making proteins only proteins for structural elements in the cell.
help
with 7-10
Question 7 1 pts Phosphorylation of kinases in one location can result in activation, while phosphorylation in another location on the same protein can result in deactivation of the enzyme. True False Question 8 2 pts Dephosphorylation, or removal of a phosphate group, is accomplished with the help of a both kinases and phosphatases neither kinases not phosphatases phosphatase kinase Question 9 1 pts Select all of the following that act as second messengers. D DAG CAMP...
D Question Cell membranes are mostly made of carbohydrates, including cellulose phospholipids proteins 2 pts D Question 27 Which of the following applies to a bacterial cell? Bacterial cells are generally larger than plant or animal cells. Most bacterial cells cause some form of disease. Bacterial cellslack some form of cell wall. Bacterial cells lackmembrane-bound organelles such as mitochondria D Question 28 2 pts Which of the following least applies to the cell cytoskeleton? tied to change the overall shape...
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