Bch 369 Study guides, Class notes & Summaries

BCH 369 EXAM PREP WITH COMPLETE SOLUTION

BCH 369 TEST 3 QUESTIONS WITH ALL ANSWERS CERTIFIED Two species of bacteria have been isolated, one from a hot spring (average temperature 50°C) and another from a glacial lake (average temperature 4°C). Which of the following statements about the membrane composition of the "hot" and "cold" species is most likely CORRECT? A) Lipids from "hot" membranes contain a greater proportion of longer-chain fatty acids than lipids from "cold" membranes. B) Lipids from "hot" membranes conta...

BCH 369 EXAM PREP WITH COMPLETE SOLUTIO

BCH 369 Final EMT Exam Review Study Guide

Activation of a G protein in response to hormone binding requires binding of _____ to the _____ subunit. A) GTP; β B) GDP; γ C) GTP; α D) GDP; α E) GDP; β - ANSWER-C) GTP All known porins are _____ proteins composed of _____. A) trimeric; four transmembrane α-helices D) dimeric; three transmembrane α-helices B) monomeric; seven transmembrane α-helices E) trimeric; β-barrels C) dimeric; β-barrels - ANSWER-E) trimeric; β-barrels Which of the following must be known to calculate ...

BCH 369 Exam1AFa15 questions and answers with latest 2023 updates (answers at the last page)

BCH 369 EXAM 4 QUESTIONS WITH REVISED ANSWERS The commercial herbicide Roundup inhibits chorismate synthesis in plants. Chorismate is the precursor for the biosynthesis of aromatic amino acids. Which amino acids would likely become essential for weeds growing in crop-fields being sprayed with Roundup ("Roundup ready")? A) Phe, Pro, Thr B) Phe, Tyr, Trp C) Tyr, Trp, Thr D) Pro, Tyr, Phe E) Pro, Tyr, Trp - Answer-B) Phe, Tyr, Trp What is the product of the following transaminase reaction: a...

BCH 369 Conflict Exam 1 Questions with Answers (Answers at The Last Page)

BCH 369 chapter 7 EXAM PREP WITH COMPLETE SOLUTION

The ΔG of a reaction depends only on the free energy of the products (the final state) minus - Answer the free energy of the reactants (the initial state). The ΔG of a reaction is independent of the path (or molecular mechanism) of the transformation. The mechanism of a reaction has no effect on ΔG. The ΔG provides no information about the rate of a reaction. - Answer A negative ΔG indicates that a reaction can take place spontaneously, but it does not signify whether it will proceed ...