In fulfilling ________, guinea pigs were used as a model animal to conclusively show that Mycobacterium tuberculosis was the bacterial pathogen that caused tuberculosis
a. disease theory
b. spontaneous generation
c. Koch's postulates
d. pathogen differentiation
Answer: C
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Honey bees will use ________ signals to alert other members of the hive about the location of a source of food
a. tactile b. chemical c. auditory d. acoustic e. visual
Electron transfer phosphorylation yields ____ ATPs
a. four b. two c. three d. 32 e. zero
Helicobacter pylori has been associated with:a
emphysema. b. duodenal ulcers. c. peptic ulcers. d. lung cancer. e. skin infections.
In a cross between two tall plants with yellow seeds that are heterozygous on both traits (TtYy), suppose Mendel discovered that a small number of offspring (5-6%) from these parents were short and green (ttyy). What does this say about the T and Y genes?
a. One is dominant over the other. b. They sort independently of each other. c. They are pleiotropic. d. They produce polygenic effects. e. They are codominant alleles of each other.