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- Match the following molecules with their functions. Molecules CAMP Protein kinase A Glycogen phosphorylase Phosphoglucomutase Functions Converts glucose 1-P to glucose 6-P Phosphorylates a substrate using an inorganic phosphate Second messenger that can activate downstream proteins Phosphorylates a protein using ATPIn what prosthetic group the following belongs: Insulin Enkephalin Glutathione Albumin Collagen Chromatin ADHWhat is NOT a second messenger? phosphatidylinositol 4,5-bisphosphate cyclic guanosine monophosphate diacylglycerol inositol 1,4,5-trisphosphate cyclic adenosine monophosphate
- Classify the phrases. Does each phrase describe a kinase, a phosphatase, neither, or both? Kinases Phosphatases Answer Bank Neither Both may use ATP as a phosphoryl group donor PKA (protein kinase A) is an example regulate the activity of other proteins catalyze dephosphorylation reactions in eukaryotes, transfer phosphoryl groups to acidic amino acids catalyze reactions that are the reverse of dephosphorylation reactions add phosphoryl groups to proteins turn off signaling pathways triggered by kinasesSelect the correct statement regarding the actin cytoskeleton. They are involved in the formation of the axoneme. Actin microfilaments are the most stable cytoskeleton network. Can undergo catastrophe due to GTP hydrolysis-mediated conformational changes. Synthesis and degradation of actin microfilaments is directional, with g-actin subunits added only to the + end of the microfilament while depolymerization occurs at the - end. From the list below, select the correct statements regarding the genetic code. Codons code for 30 distinct amino acids. The basis of the genetic code are codons. The genetic code has a possible 64 different codons. The genetic code has built-in degeneracy. Codons are formed by 5 consecutive nucleotides.Match each SERCA domain to its role in Ca2+ transport: Drag and drop options on the right-hand side and submit. For keyboard navigation... SHOW MORE ✓ N Domain P Domain A Domain ||| = = contains the Asp reside that can be phosphorylated Phosphatase activity Kinase Activity X X X
- Which of the following is activated after epinephrine/ glucagon binds to their receptores select all that apply glycogen phosphorlyase glycogen synthase lipase glycogen phosphorlase kinase protein kinase a liver pyruvate kinase Acetyl coa carboxylaseAll of the following statements are correct EXCEPT: Kinases use ATP to add a phosphate to specific residues of target proteins. In muscle cells, active PKA leads to glycogen synthesis O PKA catalytic domains must be released by the regulatory domains before they are active CAMP binds the regulatory subunits of PKA Removal of phosphate groups can take place by specific phosphatase enzymes O PKA is a Ser/Thr kinase.Select the molecules that contains sphingosine. Molecule C phosphatidylcholine Molecule B Molecule A sphingomyelins CH2 CH2 CH2 CH2 CH2 CH2 CH3 HO-CH-CH=CH CH2 CH2 CH2 CH₂ CH₂ CH2 O CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH3 CH-NH-C-CH₂ CH₂ CH2 CH2 CH₂ CH₂ CH₂ CH2 CH2 O CH3 CH₂-O-P -O–CH2–CH2-N-CH3 CH3 O Molecule A _å_ CH₂ -CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH3 O CH₂ CH₂ CH₂ CH2 CH2 CH2 CH₂ CH₂ CH-C-CH₂ CH2 CH2 CH2 CH2 CH2 CH2 CH₂ CH₂ CH₂ CH₂ CH=CH CH₂ CH₂ CH₂ CH3 O CH₂-O-P-O-CH₂-CH₂-NH3 0 Molecule B CH₂OH O CH3(CH2)15—C-NH-CH CH3(CH2)12-CH=CH CH2-O-HC CH-OH Molecule C 0 2-9-1 H OH -0-1 3-0-1 3-0-1 OH C H
- Choices for each phrases: a, b, y, t, v, e; gtp, cgt, atp, adp, camp, catp; gtp, gdp, atp, adp, camp, catp; histamine kinase, gaunylyl cyclamen, phosphorylation, adenylyl cyclaseN Signal Sequence The schematic above depicts a protein with the indicated signaling sequences along its length. Based on these signaling sequences what type of protein is this? N-X-S/T there is not enough information to determine A secreted peptide hormone A lysosomal hydrolase A glycoproteinSteps of the pathway Adenylate cyclase and Tyrosine Kinase System
