compound can be found with a tyrosyl unit?
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What following compound can be found with a tyrosyl unit? A) Glycosyl phosphatidyl inositol B) Sphingosine 1 -
phosphate C) Glycogen D) Serotonin E) S-glutathione
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- Which of the following condenses acyl and malonyl groups? a) Acetyl co-A ACP transacetylase b) Malonyl co-A ACP transferase c) ß-ketoacyl ACP synthase d) Acyl carrier proteina) What amino acid is metabolite 1? b) What kind of reaction occurs when 1 is converted to 2? c) What kind of enzyme performs the reaction converting 1 to 2? d) What biomolecule (a) is needed for the reaction to occur? e) What biomolecule (b) is produced in addition to 2? f) What happened to metabolite 3 when it was converted to 4? g) What kind of enzyme might perform the conversion of 3 to 4? h) What cofactor(s) would be required in the conversion of 3 to 4? i) What kind of reaction happens when 4 is converted to 5? j) What kind of reaction happens when 5 is converted to 6? k) What is the name of metabolite 7? l) What is the name of metabolite 8?Which of these molecules has a higher phosphoryl potential than ATP? a) glucose-6-phosphate b) glucose-1-phosphate c) phosphoenolpyruvate d) glyceraldehyde-3-phosphate The most commonly used biochemical reducing agent is: a) NADH b) NADPH c) FADH2 d) LiALH4 Hexokinase catalyzes: a) conversion of glucose to glucose-6-phosphate b) conversion of glucose-6-phosphate to fructose-6-phosphate c) conversion of fructose-6-phosphate to fructose-1,6-biphosphate d) cleavage of fructose-1,6-biphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate Which one of these molecules is not found in glycolysis? a) 1,3-biphosphoglycerate b) phosphoenolpyruvate c) pyruvate d) oxaloacetate The major regulatory enzyme of glycolysis is: a) hexokinase b) phosphofructokinase c) aldolase d) triose isomerase NADH is produced at which step in glycolysis? a) conversion of fructose-6-phosphate to fructose-1,6-biphosphate b) cleavage of fructose-1,6-biphosphate…
- What two 3-carbon molecules are generated by the cleavage of fructose-1,6-bisphosphate?A) glyceraldehyde-3-phosphate and 3-phosphoglycerateB) glyceraldehyde-3-phosphate and dihydroxyacetone phosphateC) pyruvate and phosphoenolpyruvateD) enolase and 2-phosphoglycerateE) glyceraldehyde-3-phosphate and pyruvateAn "AA" genotype at the ALOX5AP -4900 A>G locus acting in the 5-lipoxygenase pathway may increase risk of breast cancer when intake of which fatty acid is high? a) Stearic acid b) Eicosapentanoic acid c) Linoleic acid d) Alpha-linolenic acidWhich of the following glycerophospholid acts as a lipotropic agent?a) Cardiolipinb) Phosphatidylserinec) Phosphatidylinositold) Phosphatidylcholine
- Which of the following components of the ubiqutin-proteasome pathway are ATPases? (i.e., which consume ATP in order to function?) (Select all that apply) a)E3 ubiquitin-protein ligase b)19S proteasome c)20S proteasome d)E2 ubiquitin-conjugating enzyme e)E1 ubiquitin-activating enzyme f)UbiquitinWhich of the following is true A) The disulfide bridges formed by reduction of the sulfhydryl groups on cysteine destabilizes protein tertiary structure. B) The disulfide bridges formed by oxidation of the sulfhydryl groups on cysteine destabilizes protein tertiary structure. C) The disulfide bridges formed by oxidation of the sulfhydryl groups on cysteine stabilizes protein tertiary structure. D) The disulfide bridges formed by reduction of the sulfhydryl groups on cysteine stabilizes protein tertiary structure.Glycogen is the major animal storage polysaccharide, and is a polymer of glucose. a) List ALL the biochemical steps involved in storing GLUCOSE as glycogen b) Give NAME/S of the ENZYMES involved in EACH listed step c) What PULLS the reaction forward? d) Give the NAME of the tissue where these steps occur. (HINT: remember glycogen is branched chain).
- 8please do it fastHemoglobin has two alpha-type chains and two beta-type chains. This would be a description of: a) primary structure b) secondary structure c) tertiary structure d) quaternary structure Myoglobin has much helix-turn-helix motif. This would be a description of: a) primary structure b) secondary structure c) tertiary structure d) quaternary structure Myoglobin folds up into a ball-like structure. This would be a description of: a) primary structure b) secondary structure c) tertiary structure d) quaternary structure Domains differ from subunits in that: a) subunits are connected by peptide bonds while domains are not b) domains are connected by peptide bonds while subunits are not c) subunits are larger than domains d) subunits are hydrophobic while domains are hydrophilic
