Cell bio exam 3 - Study guides, Class notes & Summaries

Bio 161 Exam 1 Questions and Answers Already Passed What is the gel-like substance inside the cell where organelles are suspended? a. nucleoplasm b. cytoplasm c. endoplasm d. protoplasm b. cytoplasm Cytoplasm is the gel-like substance within cells where organelles are suspended and many cellular processes occur. Which part of the cell controls what enters and exits, acting as a gatekeeper? a. nuclear membrane b. plasma membrane c. cell wall d. cytoskeleton 2 b. pl...

BIO 242 A Final Exam Questions and Answers Already Passed What defines the threshold of a neuron? a. The time between neurotransmitter binding and action potential firing. b. The voltage causing sodium ion inflow and reversal of resting potential. c. The total sodium ions entering before inactivation gates close. d. The neurotransmitter amount needed to trigger an action potential. e. The voltage across the resting cell membrane. c. The total number of sodium ions that enters the ce...

BIO 213 EXAM 3 GMU LATEST UPDATE 100% PASS active transport energy required Active transport moves substances across a concentration gradient, requires energy, involves uniporters, symporters, and antiporters Antoni Van Leeuwenhek discovered microbial world using a simple lens apical membrane faces the lumen of outside of the body Autocrine signals diffuse to and affect the cells that make them ex: is a tumor cell autophagy lysosomes digest cell material basolateral memb...

BIO 210 FINAL EXAM GENETICS 2024 ACTUAL EXAM 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+ A nucleotide is made up of what 3 components? - CORRECT ANSWERphosphate group, pentose sugar (deoxyribose in DNA and ribose in RNA), and a nitrogenous base What nitrogenous bases are purines - CORRECT ANSWER-Adenine and Guanine What nitrogenous bases are pyrimidines? - CORRECT ANSWERcytosine, thymine, uracil How can you differentiate between purines and pyri...

BIO 242 EXAM 3 QUESTIONS AND ANSWERS ALREADY PASSED Which defenses are considered nonspecific and innate? A. Primary defense B. Secondary defense Differentiate between the components of the primary and secondary lines of defense. PRIMARY: Physical and chemical barriers SECONDARY: Phagocytosis, inflammation, fever, antimicrobial proteins What region of the human body is safeguarded by fatty acids, acidic pH, lactic acid, and a resilient cell barrier with its own normal biota? ...

ASU BIO 202 Exam 1 Questions and Answers Already Passed 1. Illustrate the most common circulatory route heart arteries arterioles capillaries venules veins 10. List and describe the plasma proteins Albumins are most abundant plasma protein -Produced by the liver -contribute to viscosity and osmolarity and influences blood pressure, flow and fluid balance Fibrinogen - clotting Globulins (antibodies) - immune system defenses 11. Describe hemopoetic tissues Hemopoietic tissues produce form...

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 t...

Bio Exam 3 Salihu WVU bio 102 Latest Version Already Graded A Cell smallest unit of body tissue group of cells that share similar structure and function organ group of tissues that preform Epithelial tissue protection barrier between the inside and outside of organism (found in skin) simple epithelial tissue one layer stratified epithelial tissue multiple- more than one layer 3 functions of epithelial tissue protection, transport and secretion epithelial tissue transp...

Biology 1406 - Exam 1, BIOL 1 Unit Exam 1, Biology 1406 Exam 1, BIOLOGY 1406 EXAM 1 (CHAPTERS 1-3), Bio 1406 Test 1what is biology? - correct answer scientific study of living things (bios-life; logus-study/science) 5 common themes - correct answer 1. levels of biological organization 2. expression & transmission of genetic info 3. transfer and transformation of energy and matter 4. interaction with other organisms and their physical environment 5. evolution accounts for the unity and di...

BIO 115 Final Exam Study Guide with Complete Solutions 12 Principles of Biology Cells are the simplest unit of life Cell theory: (1) all organisms are composed of cells (2) Cells are smallest unit of life (3) new cells come from pre-existing cells Living organisms use energy (E) process called respiration metabolism: breakdown of cellular molecules Living organisms interact with their environment example: plants grow towards light source Living organisms maintain homeostasis maint...