Nau bio 344 posner - Study guides, Class notes & Summaries

Reactions that add a phosphate to specific sites on proteins in an ATP dependent manner are important in cell signaling. The type of enzyme that catalyzes this reaction is: - ️️a protein kinase What secondary structure found in proteins is often used to enable it to cross a membrane? - ️️alpha helices An inhibitory acetylcholine receptor would - ️️be a K+ channel The nonpolar part of a phospholipids consists of - ️️fatty acid chains Which of the following is true concernin...

Which of the following is true concerning passive transport and active transport: - passive transport transfers molecules down an electrochemical gradient while active transport transfers molecules against an electrochemical gradient In a polarized cell, a barrier is created by a specific type of intercellular junction that maintains the separation of membrane proteins and between the apical and the basal sides of the cell. This barrier is called a: - tight junction What secondary structur...

NAU BIO 344 Posner Final Exam Questions and Answers

NAU BIO 344 Posner Final Exam Practice Questions and Answers In a polarized cell, a barrier is created by a specific type of intercellular junction that maintains the separation of membrane proteins and between the apical and the basal sides of the cell. This barrier is called a: - Answer️️ -tight junction What secondary structure found in proteins is often used to enable it to cross a membrane? - Answer️️ -alpha helices An inhibitory acetylcholine receptor would - Answer️️ -...

NAU BIO 344 Posner Final Exam Practice Questions and Answers In a polarized cell, a barrier is created by a specific type of intercellular junction that maintains the separation of membrane proteins and between the apical and the basal sides of the cell. This barrier is called a: - ANSWER-tight junction What secondary structure found in proteins is often used to enable it to cross a membrane? - ANSWER-alpha helices An inhibitory acetylcholine receptor would - ANSWER-be a K+ channel The n...