Biology 1201 Final Exam 2026/2027 WITH CORRECT DETAILED ANSWERS ALREADY GRADED A+ PASS GUARANTEED

Biology 1201 Final Exam 2026/2027 WITH CORRECT DETAILED ANSWERS ALREADY GRADED A+ PASS GUARANTEED What helps maintain membrane fluidity at lower temperatures? A) Proteins B) Saturated fatty acids C) Cholesterol D) Water channels - ANSWER️C) Cholesterol Which process brings large particles into the cell? A) Exocytosis B) Endocytosis C) Diffusion D) Active transport - ANSWER️B) Endocytosis The function of cholesterol in animal cell membranes is to: A) Increase permeability B) Prevent freezing at low temps C) Stabilize fluidity across temperatures D) Promote active transport - ANSWER️C) Stabilize fluidity across temperatures A plant cell in a hypotonic solution will: A) Shrivel B) Stay the same C) Become turgid D) Burst - ANSWER️C) Become turgid CHAPTER 8: Introduction to Metabolism Which of the following reactions releases energy? A) Endergonic B) Exergonic C) Anabolic D) Dehydration - ANSWER️B) Exergonic The energy stored in ATP is found in: A) The ribose sugar B) The nitrogenous base C) The phosphate bonds D) The carbon backbone - ANSWER️C) The phosphate bonds A metabolic pathway that builds molecules is called: A) Catabolic B) Anabolic C) Hydrolytic D) Oxidative - ANSWER️B) Anabolic Enzymes lower: A) Entropy B) Free energy C) Activation energy D) Temperature - ANSWER️C) Activation energy Which structure first receives incoming signals? A) Dendrites B) Axon C) Axon hillock D) Myelin - ANSWER️A) Dendrites Which neurotransmitter is involved in muscle contraction? A) Dopamine B) Serotonin C) Acetylcholine D) GABA - ANSWER️C) Acetylcholine Which part of the neuron integrates signals to decide whether to fire? A) Soma B) Synapse C) Axon D) Axon hillock - ANSWER️D) Axon hillock What happens when a neuron reaches threshold? A) Sodium channels close B) Action potential fires C) Resting potential resets D) Synapse dissolves - ANSWER️B) Action potential fires CHAPTER 50: Sensory and Motor Mechanisms What is sensory transduction? A) Transport of ions B) Conversion of stimulus into receptor potential C) Secretion of neurotransmitters D) Formation of hormones - ANSWER️B) Conversion of stimulus into receptor potential What type of receptor detects pressure and vibration? A) Thermoreceptor B) Mechanoreceptor C) Chemoreceptor D) Nociceptor - ANSWER️B) Mechanoreceptor Which receptor responds to chemical stimuli? A) Thermoreceptor B) Mechanoreceptor C) Chemoreceptor D) Photoreceptor - ANSWER️C) Chemoreceptor Pain receptors are called: A) Photoreceptors B) Nociceptors C) Baroreceptors D) Thermoreceptors - ANSWER️B) Nociceptors