Suppose a marine microbiologist wanted to assess the microbial community in a milliliter of sea water. Which of the following technique(s) may be useful to help them enumerate a specific genus or type of microbe?
A. Most probable number (MPN) technique
B. DAPI nucleic acid stain
C. Catalyzed reported deposition-FISH (CARD-FISH)
D. Fluorescence activated cell sorting (FACS)
Ans:
C. Catalyzed reported deposition-FISH (CARD-FISH)
D. Fluorescence activated cell sorting (FACS)
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The digestive system of most animals is lined with cells through which nutrients are absorbed. What is the embryonic origin of these cells?
A) endoderm B) ectoderm C) mesoderm
Amplification is an important characteristic of signal transduction pathways involving surface
receptors. What is amplification and how is it accomplished in the cell?
What will be an ideal response?During development, after an injury, or to compensate for normal wear and tear, many cells in the body release hormone-like molecules called ________
Fill in the blank(s) with correct word
The production of human blood-clotting factor by E. coli is an example of bioremediation
Indicate whether the statement is true or false