Cows and other ruminates rely on a ____ relationship with bacteria in their digestive tract
a. parasitic
b. mutualistic
c. commercialistic
d. commensalistic
e. chemosynthetic
b
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Most of the diversity of life on this planet comes from microbes
A. true B. false
This basic food group provides minerals, water, vitamins, carbohydrates, and protein for your diet. About 75% of all the calcium in the United States food supply comes from this group.
A. meat and beans B. dairy products C. vegetables D. fruits
The appearance of Mycobacterium leprae after they are stained with an acid-fast stain is
a) purple. b) red. c) colorless. d) brown.
Imagine that we mate two black Labrador dogs with normal vision and find that three of the puppies are like the parents, but one puppy is chocolate with normal vision and another is black with PRA (progressive retinal atrophy, a serious disease of
vision). We can conclude that A) both of the parents are homozygous for both traits. B) the same alleles that control coat color can also cause PRA. C) the alleles for color and vision segregate independently during gamete formation. D) the alleles for color and vision segregate dependently during gamete formation.