An individual with the karyotype 48, XYYY would have how many Barr bodies?
A) 0
B) 1
C) 2
D) 3
E) 4.
Ans: A) 0
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All species of Leishmania utilize sand flies as intermediate hosts.
Answer the following statement true (T) or false (F)
A plant has a mutation in the gene that codes for systemin. What is the likely consequence of this mutation?
A. Systemin receptors will not be activated and proteinase inhibitor will not be transcribed. B. The mutated form of systemin would be recognized as a pathogen and a hypersensitive response will be initiated. C. R genes will fail to match up with avr genes. D. The plant will have a stronger than normal wound response. E. The levels of jasmonic acid will build inside the cell creating a toxic environment.
A slow-twitch muscle fiber
A. uses ATP quickly in short, fast contractions. B. has many capillaries. C. is low in myoglobin content. D. works aerobically. E. All of the answer choices are correct.
The image in the above photograph is a prime
example of a. double mutualism. b. associative commensalism. c. interference competition. d. team predation. e. parasitism.