Bio 473 theory - Study guides, Class notes & Summaries

Bio 473 Theory Exam 1 Verified Study Solutions With Complete Updates

Bio 473 Theory Exam 2 Questions And Answers With 2024 Updates. Boyle's Law • The pressure of gas is inversely proportional to the volume • When chest volume increases, alveolar pressure falls, and air flows into the respiratory system • When the chest volume decreases, the alveolar pressure rises, and air flows out, into the atmosphere Contracted diaphragm vs relaxed flattens diaphragm during inhalation (contraction) returns to dome shape during exhalation (relaxation) Which enzyme ...

Neurotransmitters - CORRECT ANSWER-- Neurons talk to each other by exchanging molecules called neurotransmitters - The neurotransmitters are released from one neuron, travel across the synapse between the two neurons, and bind to receptors on the other neuron. The neuron that delivers the message is called the pre-synaptic neuron and the neuron that receives the message is called the post-synaptic neuron Action Potential and Neurotransmitters - CORRECT ANSWER-- The signal for the release of ...

1. population composed of all individuals that belong to the same species and live in a given area at a particular time 2. community incorporates all of the populations of organisms within a given area 3. population ecolo- gy the study of factors that cause populations to increase or decrease 4. population size the total number of individuals within a defined area at a given time 5. population densi- ty 6. population distriu- tion the number of individuals per unit area (or v...