If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on which of the following media?
A. minimal medium
B. minimal medium supplemented with nutrient C only
C. minimal medium supplemented with nutrient A only
D. minimal medium supplemented with nutrients A and C
E. minimal medium supplemented with nutrient B only
Ans: E. minimal medium supplemented with nutrient B only
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ATP is the organic molecule that is the main energy source for cell processes and is made with the energy released from the breakdown of glucose.
a. true b. false
Cells that store lipids (fats) for long-term energy are found in ________ tissue
Fill in the blank(s) with correct word
Protective features of the skin include all but
A. keratinized surface B. resident biota C. antimicrobial peptides D. high pH E. lysozyme
You are performing a DNA sequencing reaction and add dideoxy cytosine to one tube. What can you conclude about the products of the reaction?
A. They will be of different sizes, all ending in a G. B. No product will be formed. C. They will all be the same size and end in a C. D. They will be of different sizes, all ending in a C. E. They will all be the same size and end in a G.