What is a nerve?
A) a bundle of neurons
B) a chain of neurons
C) a sensory synapse
D) a series of impulses
A
You might also like to view...
DNA in prokaryotes is found in ____
a. the nucleoid only b. the nucleolus only c. plasmids only d. the nucleoid and plasmids e. the nucleolus and plasmids
Briefly explain the relationship between the surface area and volume of a cell and overall cell size. List
two ways in which organisms have successfully "solved" this problem.What will be an ideal response?
Sutherland discovered that the signaling molecule epinephrine _____
A) brings about a decrease in levels of cAMP as a result of bypassing the plasma membrane B) causes lower blood glucose by binding to liver cells C) interacts directly with glycogen phosphorylase D) elevates cytosolic concentrations of cyclic AMP
Sickle-cell anemia is a condition in which individuals produce defective red blood cells which cannot effectively transport oxygen to the tissues in the body. Homozygosity for this mutation is usually lethal, whereas heterozygosity is non-lethal and can even result in a resistance to malaria. This is an example of which of the following?
a) codominance b) additive effects c) a multigene trait d) sexual selection e) incomplete dominance