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

Biology & Microbiology

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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?

Biology & Microbiology

Present a general definition for a multigene family and how it relates to a superfamily

What will be an ideal response?

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology