If a relationship is harmful to both the animals in that relationship, the relationship is one of
A. competition.
B. parasitism.
C. symbiosis.
D. mutualism.
A. competition.
Biology & Microbiology
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In animals, the cells that will eventually undergo meiosis to produce gametes are set aside early in development. These are called
A. somatic cells. B. germ-line cells. C. sex cells. D. gametophytes. E. reproductive cells.
Biology & Microbiology
The image shown above is an example of a(n) ____
a. random coil b. leucine zipper c. ? sheet d. ? helix e. ? polysaccharide
Biology & Microbiology
Allergens combine with IgE to cause mast cells to release ________
A) plasma cells B) interleukin I C) histamine D) interferons
Biology & Microbiology
Sedimentation of sludge occurs in
A) anaerobic sludge digestion. B) primary sewage treatment. C) secondary sewage treatment. D) tertiary sewage treatment. E) water treatment.
Biology & Microbiology