Which of the following is responsible binds to thyroid hormone receptor and is an active thyroid hormone ?
a) MIT
b) DIT
c) T3
d) rT3
e) T4
Answer: c) T3
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Which of the following is NOT an adaptation of mosses for living on land?
A. delayed meiosis B. enclosure of gametes in gametangia C. enclosure of zygotes in the gametophyte D. wind dispersal of gametes E. wind dispersal of spores
Which of the following organisms are resistant to destruction by typical disinfection methods?
A. Endospores of Bacillus and Clostridium B. Pseudomonas C. Non-enveloped viruses D. Mycobacterium spp. E. All of the choices are correct.
Theodosius Dobzhansky and Ernst Mayr drew on ideas from Darwin, Fisher, Wright, Haldane, and others to demonstrate how evolution operates in real populations. These observations led to which evolutionary genetics theory?
What will be an ideal response?
The usual type of symbiotic relationship between humans and the bacteria normally found in their intestinal tract is that of
A. predator/prey. B. parasitism. C. mutualism. D. communism.