BIO 121 Final Exam LATEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+

BIO 121 Final Exam LATEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+ What are the 4 characteristics of life? - CORRECT ANSWER-1. Energy 2. Development/Growth 3. Reproduction 4. Population/Evolving Name the structures that air passes through as it enters the respiratory system. - CORRECT ANSWER-Air Travels Through: 1. Nose - air enters the body and particles are trapped by hairs 2. Pharynx - connected to nose and mouth 3. Larynx - air passes across vocal cords 4. Trachea - windpipe that carries air down the neck towards the lungs 5. Bronchi - tubes leading into the right and left lungs 6. Alveoli - small air sacs where gasses are exchanged · Diaphragm moves down · Ribs move up and out · Lungs expand - pulling in air - CORRECT ANSWER-Inhalation · Diaphragm moves up · Ribs move down and in · Lungs contract - releasing air · Some air remains in the lungs - CORRECT ANSWER-Exhalation What is the difference between Prokaryotic and Eukaryotic Cells? - CORRECT ANSWER-Prokaryotes - NO nucleus Eukaryotes - nucleus and other structures What is the difference between Active and Passive Transport? - CORRECT ANSWER-Active - proteins move against the concentration gradient (L -> H) Passive - proteins move with the concentration gradient (H -> L) the cell's DNA - CORRECT ANSWER-Nucleus powerhouse of the cell - CORRECT ANSWER-Mitochondria helps proteins go in/out of the cell - CORRECT ANSWER-Rough Endoplasmic Reticulum assembles membranes and functions in the cell - CORRECT ANSWERSmooth Endoplasmic Reticulum mailbox - packages products for transport - CORRECT ANSWER-Golgi Apparatus