Comparative biochemistry is the science that examines similarities between molecules; the greater the difference between molecules that have the same function in two different species, the more distantly related the two species likely are
Indicate whether the statement is true or false
TRUE
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The biochemical description of B. bronchiseptica is:
a. oxidase positive, motile, and rapid urease positive. b. indole positive, nonmotile, and has a fruity odor. c. resistant to vancomycin and will grow on MacConkey agar at 42°C. d. nonmotile and both urea positive and phenylalanine deaminase positive.
If you had a garden full of a variety of plants, you might notice that the only pollinators of a
plant called trumpet vines are hummingbirds. Can you anticipate anything about the appearance of these flowers? What is the advantage of having a single pollinator for your plant species?
What will be an ideal response?Bloom's Taxonomy: Knowledge TOP: 39.2 SIGNALING BY NEURONS
18. The neuron resting membrane potential is established due to all of the following EXCEPT
a. the activity of Na+/K+ active transport pumps. b. the presence of impermeable intracellular anions. c. the buildup of Na+ outside the plasma membrane and K+ inside the plasma membrane. d. the distribution of ions inside and outside an axon. e. the threshold potential.
White blood cells that engulf a microorganism and then explode their contents, creating a net that traps and kills
pathogens are known as ____.
a. neutrophils b. macrophages c. B lymphocytes d. dendritic cells e. eosinophils