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BIL 255 BAKER EXAM 1 QUESTIONS AND ANSWERS
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BIL 255 BAKER EXAM 1 QUESTIONS AND ANSWERS...
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These cards are questions from previous exams - ANSWER These cards arequestions from previous exams
What trait common to most modern compounds and the original light
microscope leads to the collection of mixed focused and unfocused light -
ANSWER the position of the sample, between the light source and the lenses
How are cellular organelles most commonly separated by size? - ANSWER
Centrifugation
Shared features of all known life on earth - ANSWER -Use of DNA to store
information
-use of RNA to decode information
-use or ribosomes to convert RNA to protein
the following statement about the evolution of life is most true: - ANSWER all
life is derived from one common ancestor
How did Avery et al. control for the possible presence of protein contamination
in their experiments to demonstrate that DNA is the heritable material of cells? -
ANSWER they treated with protease
why was the discovery and use of GFP worthy of a Nobel Prize - ANSWER
scientists could label and observe proteins in living cells
how are antibodies most commonly used by biologists - ANSWER to label
specific proteins, revealing expression time and location
historically, what feature of an organism's biology has contributed to their
selection for study? - ANSWER generation time
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