Homework Answers
The molecules that can function by adding phosphate to a protein are known as kinases. The protein kinases are enzymes that catalyse the transfer of phosphate group from ATP (or GTP) to protein substrate.
Hence, the correct option is (d)
About the incorrect options-
(a) These proteins are involved in transmitting signals from a variety of stimuli outside a cell to its interior.
(b) and (c) IP3 and calcium both are second messenger involved in signal transduction.
(e) Phosphatase remove the phosphate group from the protein.
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Choose the molecules that can add a phosphate to a protein G-protein IP3 Calcium kinase phosphatase
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21 Question 4 (2 points) Saved If a protein stays in the cytoplasm, it has to have a cytoplasmic sequence in the protein 24 True False Choose the molecules that can add a phosphate to a protein phosphatase Calcium kinase IP3 OG-protein tRNA: (Choose all that apply) is part of the ribosome has an anticodon acts as an interpreter between mRNA and protein has a 3' and 5' end is made up of amino acids Choose all of the molecules...
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Match the following: 1. G-protein 2. Phospholipase kinase (PLC) 3. Diacylgylceral (DAG) 4. Calmodulin 5. Calcium...
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Choose all of the following that are differences between kinase receptors and G- protein linked receptors. a) Kinase receptors span the membrane one time while G-protein linked receptors span the membrane many times b) Kinase receptors phosphorylate other proteins while G-protein linked receptors do not c) There are no differences between Kinase and G-protein linked receptors d) G-protein linked receptors bind to steroids while kinase receptors do not e) G-protein linked receptors are are attached to a G protein while...
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A kinase is a protein that... a. adds a phosphate group to another molecule b. removes...
A kinase is a protein that... a. adds a phosphate group to another molecule b. removes a phosphate group from another protein c. activates expression of one or more genes d. represses expression of one or more genes e. allows facilitated diffusion of specific ions
Classify the phrases. Does each phrase describe a kinase, a phosphatase, neither, or both? Kinases Phosphatases...
Classify the phrases. Does each phrase describe a kinase, a phosphatase, neither, or both? Kinases Phosphatases Neither Both catalyze dephosphorylation reactions add phosphoryl groups to proteins in eukaryotes, transfer phosphoryl groups to acidic amino acids may use ATP as a phosphoryl group donor regulate the activity of other proteins turn off signaling pathways triggered by kinases catalyze reactions that are the reverse of dephosphorylation reactions PKA (protein kinase A) is an example Answer Bank
21 Question 4 (2 points) Saved If a protein stays in the cytoplasm, it has to have a cytoplasmic sequence in the protein 24 True False Choose the molecules that can add a phosphate to a protein phosphatase Calcium kinase IP3 OG-protein tRNA: (Choose all that apply) is part of the ribosome has an anticodon acts as an interpreter between mRNA and protein has a 3' and 5' end is made up of amino acids Choose all of the molecules...
The removal of a phosphate group is catalyized by? O Protein Phosphatase O None of the above ОАТР Antigens O Protein kinase
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Match the following: 1. G-protein 2. Phospholipase kinase (PLC) 3. Diacylgylceral (DAG) 4. Calmodulin 5. Calcium a. Binds to calcium and activates other proteins b. Stored in the smooth ER and binds to proteins to change their conformation c. Splits PIP2 into IP3 and DAG d. Activity is regulated by GTP and GDP e. Activates protein kinase C and is a part of PIP2
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...
Choose all of the following that are differences between kinase receptors and G- protein linked receptors. a) Kinase receptors span the membrane one time while G-protein linked receptors span the membrane many times b) Kinase receptors phosphorylate other proteins while G-protein linked receptors do not c) There are no differences between Kinase and G-protein linked receptors d) G-protein linked receptors bind to steroids while kinase receptors do not e) G-protein linked receptors are are attached to a G protein while...
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