Which of the following bacterial cells is most likely to be virulent?
A) A cell with fimbriae and lipooligosaccharide
B) A cell with a polysaccharide capsule and lipooligosaccharide
C) A cell with fimbriae, lipooliosaccharide, and a polysaccharide capsule
D) A cell with fimbriae but no capsule
Answer: C) A cell with fimbriae, lipooliosaccharide, and a polysaccharide capsule
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Which of the following statements about global warming and the greenhouse effect is correct?
A. The greenhouse effect can lead to global warming. B. Global warming and the greenhouse effect describe the same phenomenon. C. Global warming and the greenhouse effect are not related. D. The greenhouse effect refers to heat that escapes Earth's atmosphere, whereas global warming refers to heat that is trapped by Earth's atmosphere. E. None of the answer options is correct.
Which of the following procedure-analyses is mismatched?
A. dideoxy termination-DNA sequencing B. Southern blotting-DNA gene detection C. microarray analyses-differential expression of mRNAs D. gel electrophoresis-size separation of nucleic acids or proteins E. mass spectrometry-DNA fragment analyses
Sister Chromatids become daughter chromosomes in this phase in Meiosis
What will be an ideal response?
A type of Archaea, known as ________, use hydrogen gas to reduce carbon dioxide to methane.
Fill in the blank(s) with the appropriate word(s).