The oily substance that lowers the pH of the skin's surface to about pH 5 and is inhibitory to many bacteria is (sebum/sweat/serum)
What will be an ideal response?
sebum
Bloom's Taxonomy: Comprehension
Section: The Body's First Line of Defense
Learning Outcome: 15.3
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For each tissue type below, choose the type of organism that it is found in: a. animal b. plant
________ connective tissue ________ vascular tissue ________ dermal tissue ________ epithelial tissue ________ ground tissue _______ muscle tissue ________ nervous tissue What will be an ideal response?
During DNA replication, which enzyme assembles the new DNA strands?
a. DNA polymerase b. RNA polymerase c. DNA replicase d. DNA helicase e. DNA-RNA synthase
Present a general definition for a multigene family and how it relates to a superfamily
What will be an ideal response?
The figure above depicts the change in p over time when the forward mutation rate is twice the reverse muta-tion rate
This results in a p equilibrium frequency that approaches 0.333. If the forward mutation rate was four times as fast as the reverse mutation rate, one would expect the equilibrium value of p to be: a. stable b. unstable c. lower than 0.33 d. higher than 0.33 e. A and C