Microorganisms possess different means in order to avoid host immune components. Which of the following does not help microbe evade the host immune system?

A. Lysozyme
B. Proteases
C. Cross reactivity with the host
D. Antigenic variation
E. Capsule


Ans: A. Lysozyme

Biology & Microbiology

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The distribution of biomes is dependent upon which of the following? Check all that apply. 

_____ available moisture _____ temperature _____ the presence of mountains  _____ distance from the oceans and elevation _____ a thermocline

Biology & Microbiology

This biome is the coldest, with the lowest biodiversity and a permanent layer of ice beneath the soil

A. alpine B. savanna C. taiga D. tundra E. temperate coniferous forest

Biology & Microbiology

The volume of air in the lungs following a maximum inspiration is called

A) tidal volume. B) inspiratory reserve volume. C) inspiratory capacity. D) vital capacity. E) total lung capacity.

Biology & Microbiology

Sea anemones, hydra, and sea jellies digest food extracellularly within a

A) gastrovascular cavity. B) lysosome. C) rumen. D) food vacuole. E) digestive tract.

Biology & Microbiology