CELL PHYSIOLOGY EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

How big is a typical human cell and can you see it with the naked eye? Correct Answer: 10 um and no Why is a cell roughly 10 um? Correct Answer: This size allows the cell to effectively communicate with its environment through its plasma membrane. What would happen if a cell got bigger than 10um? Correct Answer: cell's membrane would not be able to efficiently communicate with its environment due to the increase in size. What are the 2 major classes of cells? Correct Answer: Solar cells & gametes. What is the lipid to protein ratio (in%) that makes up a cell membrane and how does this relate to weight? Correct Answer: 98% lipid 2% protein but the weight is 50/50 because proteins are big heavy molecules 2 What type of fluid does the e (extracellular) face of the cell face? Correct Answer: Interstitial fluid What type of fluid does the p face of the cell face? Correct Answer: Intracellular fluid and p is referring to the cytoplasm or inside of the cell What can sugars in the extracellular portion be attached to? Correct Answer: Phospholipids or proteins If a sugar is attached to a lipid what is it called? Correct Answer: Glycolipids If a sugar is attached to a protein what is it called? Correct Answer: Glycoprotein What are glycolipids and glycoproteins collectively referred to as? Correct Answer: Glycoxyl What are 2 major cell classes? Correct Answer: body cells and sex cells (gametes) Are gametes haploid or diploid