NYSTCE Biology (255 questions) with correct answers

What metabolic compound is composed of only carbon, oxygen, and hydrogen? - Answer Glycogen When an animal takes in more energy than it uses over an extended time, how is the extra chemical energy stored? - Answer as fat What molecule was thought to have acted as the first enzyme in early life on earth? - Answer RNA molecules What organelle is formed when the plasma membrane surrounds a particle outside of the cell? - Answer endocytic vesicles What process does not move solutes across a plasma membrane? - Answer osmosis What is osmosis? - Answer movement of water molecules across a semi-permeable membrane How are prokaryotic and eukaryotic cells similiar? - Answer Both interact with their extracellular environment and use membrane-bound proteins to achieve this Both use diffusion Both use active transport Both have a flagella