It is an essential amino acid with a nonpolar side chainO arginineO prolineO tryptophanO threonineQuestion 14The most efficient enzyme is one withO high KM and low VmaxO low KM and low VmaxO low KM and high Vmaxhigh KM and high Vmax

Aminoacids are the building blocks of proteins with polar and non polar side chains. Amino acids are…

Answered: It is an essential amino acid with a…

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter4: Energy And Metabolism

Section: Chapter Questions

Problem 5CT

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The enzyme trypsin is sold as a dietary enzyme supplement. Explain what happens to trypsin taken with food.
Essential amino acids are less complicated to synthesize which is why they're called "essential". O True O False
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Acetylcholine is inactivated by the enzyme acetylcholinesterase. Which amino acid residue's side chain plays an important role as an acid-base catalyst in the enzyme's mechanism of action? O Glycine O Lysine Histidine Alanine O Asparagine
A defect in which of the following enzymes leads to Tay- Sachs disease? O Phospholipase CO a-galactosidase A O Hexosamidase A O Sphingomyelinase
The figure shows interaction of various amino acids (Phe, Arg, and Asn) present in Hb with 2,3-DPG. The side chains of these amino acids and 2,3-DPG interactions are circled in red. HO Но Phe HN Asn H2N NH Arg You identify a mutant version of the globin chain where the Arg in circle 2 is replaced with aspartic acid in a patient. Would the Hb protein in this patient be able to transport oxygen even in the presence of 2,3-DPG? ASPARTIC ACID (asp) No, because the mutant Hb version will bind 2,3 DPG, and not oxygen Yes, because the mutant Hb version will bind 2,3 DPG, and not oxygen Yes, because the mutant Hb version will bind oxygen and not 2,3 DPG
erioiogy e cell walls of Gram-positive and Gram-negative bacteria are structurally different but both contain peptidoglycan. Which TWO of the following statements about peptidoglycan biosynthesis are CORRECT? O Peptidoglycans are made from alternating units of N-acetylmuramic acid and N-acetylglucosamine. O N-acetylglucosamine is synthesised from N-acetylmuramic acid by the addition of acetic acid derived from phosphoenolpyruvate. O Peptidoglycan synthesis in Gram-positive bacteria involves the addition of the amino acids, L-alanine, D-glutamic acid, L-lysine, to N-acetylmuramic acid. O D-glutamic acid-D-glutamic acid dipeptide is linked to the tripeptide side chain of N-acetylmuramic acid to form N-acetylmuramic acid-pentapeptide O At the beginning of the biosynthesis pathway, the N-acetylglucosamine-N-acetylmuramic acid-pentapeptide-phospholipid crosses the cell membrane and is added to growing peptidoglycan chain. O The transglycosylase enzyme is located on the inner face of the…
The majority of amino acid residues found in the portion of a beta-barrel in contact with the transported solute are O hydrophobic O cyclic O hydrophilic O aromatic Previous Nort
The small intestine catabolizes amino acids, producing signifi cant amounts of NH4+. Describe the metabolic fate of the NH4+.
One of the following glycosaminoglycans is anti-coagulant O Heparin sulphate O Keratan sulphate O Chondroitin sulfate O Hyaluronic acid O Heparan sulphate
You can choose one or more than one options Arginase is an enzyme that : BIOCHEMISTRY advanced is expressed in the cytoplasm of hepatocytes shows two isoenzymes in mammals. found in the liver and other tissues catalyzes the formation of urea and ornithine from arginine. induces hyperammonemia when it is overexpressed is inhibited by basic amino acids such as lysine and ornithine.
why should triacylgycerol be insignificant component of plasma membeane

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It is an essential amino acid with a nonpolar side chain O arginine O proline tryptophan O threonine Question 14 The most efficient enzyme is one with high KM and low Vmax O low KM and low Vmax low KM and high Vmax high KM and high Vmax