Which hormone is NOT produced by the anterior pituitary gland?
A. prolactin
B. luteinizing hormone
C. calcitonin
D. growth hormone
C. calcitonin
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Which of the following is not an accurate description of events leading to the lytic pathway following viral infection in a bacterium?
A. Upon infection, the linear bacteriophage DNA forms a circle and transcription is initiated from promoters PL and PR. B. The transcripts from PR encode the proteins cro and cII. C. The cro protein represses transcription from PM so that the cl protein is not transcribed. D. Strong protease activity rapidly degrades cII, and cro continues to repress cI expression, leading to the lytic path. E. Reduced protease activity due to poor conditions allows cII to accumulate, which then stimulates transcription from PE and thus expression of cI.
The Masai people of Kenya, in east Africa, regularly consume the blood and milk of their cattle. Based on this information alone, we might classify the relationship between the Masai and cattle as
A) coevolution. B) parasitism. C) predation. D) competition. E) mutualism.
The most prominent tissue type present in plants is the dermis.
Answer the following statement true (T) or false (F)
Genomic ________ are collections of isolated genes maintained in a cloning host.
Fill in the blank(s) with the appropriate word(s).