Disulfide linkages Samenvattingen, Notities en Examens

2. An example of a weakly basic prodrug that when protonated, form covalent disulfide linkages with H+/K+ ATPase and inactivates it: A. Maalox® B. Nexium® C. Tagamet® D. Buscopan® - B. Nexium® 3. Anti-ulcerant drugs exert their effect through which of the following mechanism/s: I. Stimulation of protein kinases that phosphorylate H+ /K+ ATPase II. Preventing histamine from binding to its receptor in parietal cells. III. Activate inhibitory proteins that block histaming activation...

Exam 1: BIOS 252 / BIOS252 (2024/ 2025 Update) Anatomy and Physiology II Exam Review| Guide with Questions and Verified Answers| 100% Correct| Rated A -Chamberlain Q: Enzymes and their function -type of protein, chemical catalysts help chemical reaction occur Chamberlain Q: List and describe the chemical structure/components of DNA Answer: -Used as the cell's "master code" for assembling proteins -uses deoxyribose as sugar and A, T(not U), C, and G as bases -form...

2. An example of a weakly basic prodrug that when protonated, form covalent disulfide linkages with H+/K+ ATPase and inactivates it: A. Maalox® B. Nexium® C. Tagamet® D. Buscopan® - B. Nexium® 3. Anti-ulcerant drugs exert their effect through which of the following mechanism/s: I. Stimulation of protein kinases that phosphorylate H+ /K+ ATPase II. Preventing histamine from binding to its receptor in parietal cells. III. Activate inhibitory proteins that block histaming activation...

Adaptive immunity - Answer- specific Two types of adaptive immunity - Answer- Humoral immunity- B cells regulating antibodies Cell Mediated Immunity- T cells regulating innate immunity - Answer- non-specific phosphodiester linkage - Answer- covalent bonds that join adjacent nucleotides between the -OH group of the 3' carbon of one nucleotide and the phosphate on the 5' carbon of the next disulfide bonds - Answer- 2 cysteine residues can covalently bond to form disulfide bonds whic...

1. Reaction of ethyl magnesium bromide with water will generate? a. ethanol b. ethane c. butane d. ethyl magnesium hydroxide e. a peroxide - b 2. Under conditions of thermodynamic control, product distribution is governed by: a. the relative stabilities of the products b. the relative energies of the transition states leading to the products c. the rate at which each product is formed d. a and b e. b and c - a 3. Which of the following statements is false for the reduction of camphor...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...

BIOCHEMISTRY ACS EXAM QUESTIONS WITH 100% CORRECT ANSWERS Unfolds proteins and gives them uniform negative charge. - answerSDS Reacts with the N-terminus of the protein to produce a 2,4-dinitrophenol derivative that labels the first residue. Can repeat hydrolysis to determine sequential amino acids - answerFDNB Reduces disulfide bonds. - answerDTT Adds carboxymethyl group on free -SH groups. Blocks disulfide bonding. - answerIodoacetate Bonds between two -SH groups that form between 2°...

TAMU CHEM 238 FINAL EXAM QUESTIONS AND ANSWERS RATED A+ 1. Reaction of ethyl magnesium bromide with water will generate? a. ethanol b. ethane c. butane d. ethyl magnesium hydroxide e. a peroxide b 2. Under conditions of thermodynamic control, product distribution is governed by: a. the relative stabilities of the products b. the relative energies of the transition states leading to the products c. the rate at which each product is formed d. a and b e. b and c a 3. Which of the followi...

Which of the groups below is capable of only hydrophobic interactions? a) A b) B c) C d) D e) E Answer: e Difficulty: Medium Learning Objective: LO 2.3 Describe the role of noncovalent bonds in the structure of molecules such as water. Section Reference: Section 2.3 Noncovalent Bonds 2) Which of the following groups is capable of only hydrophilic interactions? d. H H C C C H H H H e.. H a.. OH b. C C C C C H H SH H H H H H H H H CH C C H H H H H NH 2 c.. C CH3 CH2 ...

BIOCHEMISTRY ACS EXAM QUESTIONS WITH 100% CORRECT ANSWERS Unfolds proteins and gives them uniform negative charge. - answerSDS Reacts with the N-terminus of the protein to produce a 2,4-dinitrophenol derivative that labels the first residue. Can repeat hydrolysis to determine sequential amino acids - answerFDNB Reduces disulfide bonds. - answerDTT Adds carboxymethyl group on free -SH groups. Blocks disulfide bonding. - answerIodoacetate Bonds between two -SH groups that form between 2°...