What is a genetic mutatio Study guides, Class notes & Summaries

bio 117 Exam 1 | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+ evolution Correct Answer: a change in a population over time Natural selection Correct Answer: the process by which populations change over time What is necessary for natural selection to occur? Correct Answer: traits within a population vary -some individuals leave more offspring than others (fitness) Mechanisms of evolutionary change Correct Answer: Natural selection, genetic drift, gene flow...

HESI A2 Biology Multiple Choice Questions Already Rated A which of the following properties of water causes water droplets to form beads on surfaces, such as on a leaf? a) adhesion b) specific heat c) surface tension d) ability to dissolve substances c) surface tension: pulls together the molecules on the surface of water, forcing them to form a sphere, or bead which of the following polymers is created by joining amino acids? a) DNA b) lipid c) protein d) carbohydrate c)...

Which set of facts about action potential is TRUE? • Every stimulus can generate it. Potassium gates open to allow an inflow of potassium ions. • It requires a stimulus to take place. Sodium gates open to allow an inflow of sodium ions. • It is exhibited by cells that were previously at resting potential. It is created by an equal distribution of ions. • It is exhibited by cells that were previously not at resting potential. It is created by an unequal distribut...