Slugs produce mucus all over their bodies that helps keep them moist and helps them move. The mucus also can protect the slugs from pathogens. A slug's mucus is a component of which part of the immune system?
A) internal innate immunity
B) external innate immunity
C) adaptive immunity
D) lymphatic system
B
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Which of the following correctly describes a reaction that has reached chemical equilibrium?
A) The rate of the forward reaction is equal to the rate of the reverse reaction. B) All of the reactants have been converted to the products of the reaction. C) All of the products have been converted to the reactants of the reaction. D) Both the forward and the reverse reactions have stopped, with no net effect on the concentration of the reactants and the products.
What describes the movement of substances down their concentration gradients?
A. Active transport B. Saturation C. Diffusion D. Bulk transport
Answer the following questions true (T) or false (F)
1. Viral meningitis is usually more serious than bacterial meningitis. 2. Tetanospasmin blocks the release of stimulatory neurotransmitters. 3. Clostridium botulinum can grow in the intestinal tracts of both infants and adults.
Which molecular method would be the MOST high-throughput way to identify active taxa within a microbial community?
a. ARISA b. metagenomics c. phylochip analysis d. pyrosequencing of SSU rDNA