Cells and Cell Physiology Questions and Answers

Cell Theory Ans- Every living thing is made up of cells Basic Tenent of biology Prokaryotes Ans- Cells with no nucleus lack internal cellular bodies called organelles do not divide by mitosis included= bacteria Eukaryotes Ans- Have nucleus Have organelles divide by mitosis included= plants, animals, humans cell membrane Ans- (also known as cell membrane) lies at the border of the cells primarily made up of proteins and lipids, especially phospholipids within the membrane, proteins carry out many functions semipermiable. phospholipids Ans- have a phosphorous-containing polar end and a non-polar end composed of the fatty acid chain. Polar end= "hydrophilic"; attracted to water Non-polar end= hydrophobic: avoids water Phospholipids permit the plasma membrane to grow when vesicles from the golgi bodies fuse with it. Integral protein