During attachment of phage to E. coli, the phage
A. actively seek out the bacteria.
B. randomly bump into the bacteria.
C. attach to proteins or carbohydrates on the bacterial surface.
D. attach to the bacterial RNA.
E. randomly bump into the bacteria AND attach to proteins or carbohydrates on the bacterial surface.
E
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Ball-and-socket joints allow flexion, extension, rotation, abduction (moving away from the midline of the body) and adduction (moving toward the midline). Which of the following is(are) an example of a ball and socket joint?
A. the knee B. the elbow C. the hip D. the joints between bones of the fingers
What color develops when orcinol reacts with starches in a sample?
a. Blue b. Blue-green c. Purple d. Red
In mammals, uric acid is produced as a waste product of the degradation of
A. proteins. B. lipids. C. polysaccharides. D. purine nucleotides.
________ is the fluid found inside a chloroplast.
Fill in the blank(s) with the appropriate word(s).