Within convention cells, warm moist air rises from the equator and descends at 20-30 degrees from the equator. Convection cells are partially responsible for the distribution of which two biomes?
A. tropical rain forests and temperate grasslands
B. boreal forests and subtropical deserts
C. tropical rain forests and subtropical deserts
D. tropical rain forests and arctic tundra
E. boreal forests and temperate forests
Answer: C. tropical rain forests and subtropical deserts
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Which of the following is a characteristic of Histoplasma capsulatum?
A. It grows in moist soil, rich in nitrogen from bird and bat droppings. B. It is a protozoan. C. It grows in dry, arid soil. D. It is a dermatophyte.
Viruses are generally measured in
A) nanometers. B) millimeters. C) micrometers. D) centimeters. E) decimeters.
RNA Polymerase is the enzymes used to bind DNA fragments together?
a. true b. false
Which factor has the greatest influence on the expression of a genetic disorder such as Prader-Willi syndrome or Angelman syndrome through the process of genomic imprinting?
A. Paternal age at time of conception B. Maternal age at time of conception C. The gender of the parent transmitting the deletion D. The number of bases deletion from the chromosome