In infections with human herpesvirus (1/2/3/4), the virus becomes latent in B lymphocytes and suppresses apoptosis, contributing to lymphomas associated with this virus
What will be an ideal response?
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A farmer in Kansas and a farmer in California each plant an acre of the same kind of corn. Because the environment differs for each field, how will this affect the height of their corn?
A. The average height of the corn could differ between fields. B. The variation in the height of the corn in each field could differ between fields. C. The color and seed shape of the corn could differ between fields. D. Both the average height of the corn and the variation in corn height within each field could differ between fields. E. Average height, variation in height, seed color, and seed shape could all differ between fields.
What happens when phospholipids are placed in an aqueous solution?
a. They disperse throughout the solution and form polar bonds with other organic molecules present in the solution. b. They move to the water's surface and form a single-layered membrane between the water and the atmosphere. c. They repel one another. d. They spontaneously form bilayers. e. The hydrophobic tales force the phospholipids to form "beads" at the surface, much like you see when vegetable oil is added to an aqueous solution.
As you walk between classes on your college campus, you notice squirrels busily burying acorns. You realize you are witnessing what ecosystem service?
A. Biological control B. Pest control C. Seed dispersal D. Pollination E. Erosion control
Which of the following biomes would you predict to be dependent on fire to prevent succession by trees?
A. desert B. chaparral C. grassland D. deciduous forest E. taiga