Disulfide linkages Study guides, Class notes & Summaries

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...

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...

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...

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...

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 ...

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...

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°...

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°...