- 48.48.1: Describe the basic pathway of information flow through neurons that...
- 48.48.2: How might increased branching of an axon help coordinate responses ...
- 48.48.3: Consider how communication occurs in a colony of bacteria (see Figu...
- 48.48.4: How would severing an axon affect the flow of information in a neuron?
- 48.48.5: Under what circumstances could ions flow through ion channels from ...
- 48.48.6: Suppose a cells membrane potential shifts from 70 mV to 50 mV. What...
- 48.48.7: Ouabain, a plant substance used in some cultures to poison hunting ...
- 48.48.8: Figure 7.13, on page 132, illustrates diffusion by dye molecules. C...
- 48.48.9: Suppose you placed an isolated neuron in a solution similar to extr...
- 48.48.10: How do action potentials and graded potentials differ?
- 48.48.11: In multiple sclerosis (from the Greek skleros, hard), myelin sheath...
- 48.48.12: Suppose a mutation caused gated sodium channels to remain inactivat...
- 48.48.13: In what ways do both positive and negative feedback contribute to t...
- 48.48.14: How is it possible for a particular neurotransmitter to produce opp...
- 48.48.15: Organophosphate pesticides work by inhibiting acetylcholinesterase,...
- 48.48.16: If a drug mimicked the activity of GABA in the CNS, what general ef...
- 48.48.17: A change in the concentration of calcium ions is important for fert...
- 48.48.18: Why are many drugs used to treat nervous system diseases or affect ...
- 48.48.19: What happens when a resting neurons membrane depolarizes? a. There ...
- 48.48.20: A common feature of action potentials is that they a. cause the mem...
- 48.48.21: Where are neurotransmitter receptors located? a. the nuclear membra...
- 48.48.22: Temporal summation always involves a. both inhibitory and excitator...
- 48.48.23: Why are action potentials usually conducted in one direction? a. Th...
- 48.48.24: Which of the following is a direct result of depolarizing the presy...
- 48.48.25: Suppose a researcher inserts a pair of electrodes at two different ...
- 48.48.26: An action potential is an all-or-none event. This on/off signaling ...
- 48.48.27: From what you know about action potentials and synapses, propose tw...
- 48.48.28: In a short essay (100150 words), describe how the structure and ele...
Solutions for Chapter 48: Biology
Full solutions for Campbell Biology | 9th Edition
An instrument used to determine wind speed.
Deformation that involves the fracturing of rock. Associated with rocks near the surface.
The first layer of the solar atmosphere found directly above the photosphere.
The fuzzy, gaseous component of a comet’s head.
Structure in which relatively thin layers are inclined at an angle to the main bedding. Formed by currents of wind or water.
See Bright-line spectrum
The portion of the photic zone near the surface where light is bright enough for photosynthesis to occur.
Nearly spherical ice pellets having concentric layers and formed by the successive freezing of layers of water.
A general term referring to water vapor in the air but not to liquid droplets of fog, cloud, or rain.
A chemical bond between two oppositely charged ions formed by the transfer of valence electrons from one atom to the other.
A line drawn on a map connecting points of equal atmospheric pressure, usually corrected to sea level.
Metamorphic rocks that do not exhibit foliation.
The scientific study of the oceans and oceanic phenomena.
The processes that collectively result in the formation of mountains.
Perched water table
A localized zone of saturation above the main water table created by an impermeable layer (aquiclude).
Small solar system bodies
Solar system objects not classified as planets or moons that include dwarf planets, asteroids, comets, and meteoroids.
A warning issued when a tornado has actually been sighted in an area or is indicated by radar.
The movement of water in an erratic fashion, often characterized by swirling, whirlpool-like eddies. Most streamflow is of this type.
See Alpine glacier.