Biol 65 - Study guides, Class notes & Summaries

BIOL 2213 Exam 1 Latest Update Graded A+ homeostasis state of maintaining dynamic stability in the internal environment set point optimal value at which a variable operates dynamic constancy process of reversing a deviation back to the set point negative feedback loop mechanism that reverses deviations from the set point negative feedback loop pathway includes sensors, integrating center, and effector positive feedback loop mechanism that amplifies changes within a sys...

BIOL 1001 FINAL LSU PAUL EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS (GRADED A+) Ecosystem diversity - Answer-the variety of both communities and the nonliving environment on which the communities depend - hunting and fishing for food - harvesting wood for heat and cooking - Extracting medicines from plants - Answer-Direct use ecosystems by humans - soil formation - erosion and soil control - climate regulation - genetic resources - recreation - Answer-Indirect use of ecosystems by...

BIOL 212 Exam Questions And Answers (Verified And Updated) Which ion most readily leaks across a neuron's membrane, helping to establish the resting potential? - answerK+ In resting neurons, the membrane is selectively permeable to K+ through a K+ channel protein. As K+ leaves the cell along its concentration gradient, the inside of the membrane becomes negatively charged relative to the outside. Will K+ continue to leave the cell indefinitely? - answerNo−−as the interior of the cell...

BIOL 212 Exam Questions And Answers (Verified And Updated) Which ion most readily leaks across a neuron's membrane, helping to establish the resting potential? - answerK+ In resting neurons, the membrane is selectively permeable to K+ through a K+ channel protein. As K+ leaves the cell along its concentration gradient, the inside of the membrane becomes negatively charged relative to the outside. Will K+ continue to leave the cell indefinitely? - answerNo−−as the interior of the cell...

BIOL 212 Exam Questions And Answers (Verified And Updated) Which ion most readily leaks across a neuron's membrane, helping to establish the resting potential? - answerK+ In resting neurons, the membrane is selectively permeable to K+ through a K+ channel protein. As K+ leaves the cell along its concentration gradient, the inside of the membrane becomes negatively charged relative to the outside. Will K+ continue to leave the cell indefinitely? - answerNo−−as the interior of the cell...

BIOL 301 Exam Practice Questions and Answers Which dispersion even would you expect to observe for a population with patchy resources? - Ans:- Clustered Select the correct term for this definition: Number of individuals per unit area or volume. - Ans:- Density Which metapopulation model most aligned with the blue tit example where populations flourished in the Downy Oak forest and those individuals would disperse to the neighboring Holm Oak forest? - Ans:-Source-Sink Metapopulation model...

BIOL 3240 Exam 1 | Questions and Answers (Complete Solutions) What are the two major cell types in the brain? Neurons; glial cells What are some ways cell types can be defined? morphology; transcription profile; cell properties, function; context Two characteristics of neurons asymmetrical, excitable There are ____ major types of glial cell five A neuron is a post ____ cell Mitotic Neurons are both _____ and _____ excitable chemically, electrically _________ neurons have only one process that ...

Exam 1 BIOL 121 questions and answers, rated A+ Julia and David like to drink a glass of beer or wine when they get home from work. The beer and wine contribute _____ to their diets - -Discretionary calories What chemical stimulates the gallbladder to send bile into the small intestine? - -Cholecystokinin When present in the small intestine, _____ stimulates peristalsis - -Fiber According to the dietary reference intakes approximately 45 to 65 percent of the total calories in a balance...

BIOL 212 Exam Questions And Answers (Verified And Updated) Which ion most readily leaks across a neuron's membrane, helping to establish the resting potential? - answerK+ In resting neurons, the membrane is selectively permeable to K+ through a K+ channel protein. As K+ leaves the cell along its concentration gradient, the inside of the membrane becomes negatively charged relative to the outside. Will K+ continue to leave the cell indefinitely? - answerNo−−as the interior of the cell...

BIOL 253 LAB FINAL EXAM/65 QUESTIONS AND ANSWERS