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BIOL 253L - Exam 2 UPDATED ACTUAL Exam Questions and CORRECT Answers DNA (deoxyribonucleic acid) - CORRECT ANSWER - - double stranded helix; right handed - a polymer of nucleotides - more stable than RNA because the strands are harder to separate because they are more attracted to each other than the surrounding wat

UNC BIOL 253L exam 2 UPDATED Exam Questions and CORRECT Answers What changes would you predict in your measurements of depth and rate of respiration if your airways decreased in radius? - CORRECT ANSWER - If the airways decreased in radius, the depth and rate of respiration would increase. This is because decreasing the radius of airways increases the resistance of the airways. The body would not be able to move as much air because of the increased resistance slowing down the flow of t...

BIOL 253 Exam 2 UPDATED Exam Questions and CORRECT Answers The course of __________ consists of three distinct stages that may span decades. - CORRECT ANSWER - Syphilis A child is born 1 month early. He is 10% below the normal weight for an infant born at this gestational age, and his testes have not descended from the abdomen. The pediatrician is not concerned but has made a note to watch in the coming visits for testicular descension. Which consequence is the most significant concer...

UNC BIOL 253L Exam 2 With Questions And Correct Answers

BIOL 253 FINAL EXAM 2025 QUESTIONS AND CORRECT ANSWERS

BIOL 253 Exam 1 2025 Complete Exam Study Guide With Key Concept Guaranteed Pass University of North Carolina

BIOL 253 EXAM 4 QUESTIONS AND ANSWERS (GRADED A+)BIOL 253 EXAM 4 QUESTIONS AND ANSWERS (GRADED A+)BIOL 253 EXAM 4 QUESTIONS AND ANSWERS (GRADED A+)BIOL 253 EXAM 4 QUESTIONS AND ANSWERS (GRADED A+)BIOL 253 EXAM 4 QUESTIONS AND ANSWERS (GRADED A+)circular folds - ANSWER-deep folds of the mucosa and submucosa that extend completely or partially around the circumference of the small intestine covered with fingerlike projections called villi microvilli - ANSWER-projections that increase the cel...

BIOL 253 EXAM 1 WITH CORRECT QUESTIONS AND ANSWERS (GRADED A+)BIOL 253 EXAM 1 WITH CORRECT QUESTIONS AND ANSWERS (GRADED A+)BIOL 253 EXAM 1 WITH CORRECT QUESTIONS AND ANSWERS (GRADED A+)BIOL 253 EXAM 1 WITH CORRECT QUESTIONS AND ANSWERS (GRADED A+) universal function of membranes - ANSWER-to act as a selective barrier to the passage of molecules functions of plasma membranes - ANSWER-1. regulate passage of substances in and out of cells and between cell organelles and cytosol 2. detect ch...

3 stages of stress response - Alarm Phase - immediate response to short term crisis, increased mental alertness, increased energy use by cells, mobilization of glycobon and lipid reserves, change in circulation, decreased digestive activity and urination, increased sweat gland secretion, increased heart rate and respriatory rate - stimulation sympathetic-adrenal medualla -epinephrine and noreeinephrine Resistance Phase- if stress lasts longer than a few hours Glutacocoticords are the dominan...