Can an individual receive two STR alleles from the same parent?
a. yes
b. no
b
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Which of the following describes the function of the simple cup-shaped eyes found in flatworms?
A. They can see structures. B. They can see color. C. They have depth perception. D. They can detect light and shadows. E. They have lenses that regulate the amount of light.
The ____ of flagellated protozoans are analogous to the ____ of prokaryotes
a. cytoskeleton; flagellum b. endoplasmic reticulum; ribosome c. fimbriae; Golgi body d. pellicle; cell wall e. cytoskeleton; plastid
An ecosystem is defined as
A. the set of environmental resources that each organism requires for survival, growth, reproduction, etc. B. the sum of living organisms and nonliving environmental components in an area. C. the physical place and environmental surroundings in which individual organisms live. D. all of the members of all of the species living in an area. E. all of the individuals of the same species living in an area.
From which phrase is the term "prions" derived?
a. Protein infections b. Protein infection of the nervous system c. Particles of infection d. Proteinaceous infectious particles