A chromosome whose centromere is close to the end of the chromosome is called _______
A. submetacentric D. mesocentric
B. metacentric E. pericentric
C. acrocentric
C
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In humans, there are three genes encoding different nitric oxide synthase enzymes. These three genes form a ____
a. multigene locus b. replicate gene family c. multi-enzyme family d. multigene family e. gene grouping
The primary viral cause of chronic diarrhea globally is ________.
A. adenovirus B. norovirus C. rotavirus D. Cryptosporidium E. arbovirus
Which of the following structures begins in the dermis and extends to the surface of the epidermis?
A. hair follicles B. blood vessels C. nerve fibers D. free nerve endings
Which sentence best describes the relationship between sporophyte and gametophyte in the moss life cycle?
a. Gametophytes originate within and are dependent upon sporophytes. b. Gametophytes are photosynthetic and partially independent from the sporophytes. c. Both gametophytes and sporophytes are totally independent from each other and are equally dominant. d. Sporophytes originate within and are dependent upon gametophytes.