The chemical agent/s that produce/s highly reactive hydroxyl-free radicals and also decomposes to O2 gas is ________.
A. iodophors
B. hydrogen peroxide
C. chlorhexidine
D. Cidex
E. cationic detergents
Answer: B
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Choose the function that best matches to each item.
A) GC and CAAT boxes B) message containing information for a gene C) multiprotein complex associated with augmentation of transcription of a particular gene D) transcribed and translated continually in a cell E) increases frequency of transcription of a particular gene F) enhancer-associated transcription factors G) regulatory protein allows transcription H) message containing information for multiple genes I) inhibits transcription of a particular gene J) transcribed and translated at certain times in a cell K) control expression of other genes essential in development L) enhancer-associated translation factors M) regulatory protein prevents transcription 1) activators 2) homeotic genes 3) silencer 4) polygenic mRNA 5) enhancer 6) enhanceosome 7) negative gene control 8) constitutive gene 9) positive gene control 10) proximal control elements
Distinguish between endocrine and exocrine glands and give examples of each
What will be an ideal response?
Which of these structures forms the channel that sound travels through to reach the eardrum?
A) auditory tube B) external auditory canal C) malleus D) incus
Which of the following statements is predicted if a population of fruit flies were fed a chemical that blocked the function of the SXL protein?
A) The progeny in the next generation would be approximately 50% male and 50% female. B) The mRNA produced from the doublesex (dsx) gene would not be spliced. C) The progeny in the next generation would be predominantly female. D) The progeny in the next generation would be predominantly male. E) The transformer (tra) gene would be maximally expressed.