Which of the following viruses are the only ssDNA viruses that cause disease in humans?
A. Parvoviridae
B. Hepadnaviridae
C. Poxviridae
D. Polyomaviridae
E. Herpesviridae
Answer: A
You might also like to view...
Many new species of desert lizards have arisen from a nonnative population which was introduced into
the American southwest. This example best describes:a. the effects of climatic change. b. sympatric speciation. c. adaptive radiation. d. microevolution. e. allopatric speciation
Which of the following are called bone-building cells and secrete the components of the matrix?
A. Red marrow B. Osteoblasts C. Osteocytes D. Osteoclasts E. Yellow marrow
Which events and features are correctly associated with the roots during the pressure-flow model of phloem transport?
Select one: a. Sugar is stored in the sink. Cells use the sugar for cellular respiration. Water exits by osmosis and returns to the xylem. b. Sugars are stored in the source. Cells use the sugar for cellular respiration. Water exits by osmosis and returns to the xylem. c. Sugar is stored in the sink. Cells use the sugar for photosynthesis. Water exits by osmosis and returns to the xylem. d. Sugar is stored in the sink. Cells use the sugar for cellular respiration. Water exits by diffusion and returns to the phloem. e. Sugar is stored in the source. Cells use the sugar for photosynthesis. Water exits by osmosis and returns to the xylem.
In temperate zones, pinworms are the most common helminth infection.
Answer the following statement true (T) or false (F)