Bio 390 exam 1 - Study guides, Class notes & Summaries

BIO 390 Exam 2 Questions With 100% Correct Answers Virus - answerLatin for poison (Pasteur) Not living Not cellular Obligate intracellular parasite - answerPerform no metabolism Can not freely reproduce No protein synthesis Carry no or few enzymes Naked virus (non-enveloped virus) anatomy: - answerGenetic material (DNA or RNA) Capsid-protein coating (composed of capsomere proteins) Enveloped virus anatomy: - answerGenetic material (DNA or RNA) Capsid Envelope - phospholipid bilayer ...

BIO 390 Exam Questions And Answers (Verified And Updated) Why is it so important to keep Ca2+ levels low inside the cell, and how is this accomplished? - answerCa+ is the most commonly used 2nd messenger. The intracellular conc. Is very low and the extracellular conc. Is several times larger. A rise in Ca leads to receptor activation -> kinases -> and the phos. Of targets. How are levels of Ca2+ increased inside cells? - answer1. Voltage gated Ca channels on pm. 2. Ligand gated chan...