Bio 1150 exam 4 - Study guides, Class notes & Summaries

BIO 1150 Exam 4 - Questions with Verified Answers Species transplant organisms that are intentionally or accidentally relocated from their original distribution Biotic factors that affect the distribution of organisms Predation Herbivory Competition Abiotic factors that affect the distribution of organisms Temperature Water Sunlight Wind Rocks and Soil How does temperature affect cells and proteins? Cells can freeze and rupture, proteins denature in hot temperatures Salinity A measure of the am...

BIO 1150 Exam 4 questions and answers graded A+ What are four ways that a psychoactive drug may alter normal neurotransmitter signaling? -drug may stimulate release of neurotransmitter and enhance response of receiving neuron -drug may inhibit release of neurotransmitter and dampen response of neuron -may increase and prolong effect of neurotransmitter -drug may bind to receptor and effect activity of receiving neuron What is a gene? -segment of DNA on a chromosome that directs synt...