In Southern blotting, DNA molecules are immobilized on
A) silicon chips.
B) nitrocellulose membranes.
C) agarose.
D) gold beads.
E) paper.
B
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Sucrose (table sugar) is a disaccharide composed of glucose and fructose. Glycogen is a polysaccharide composed of many glucose subunits. Which of the following fermentation tubes would you expect to produce the greatest gas volume over a 1-hour period? Why?
(a) Tube 1: (b) Tube 2: (c) Tube 3:
The proper order of predator-prey relationships is
a. herbivore-producer-carnivore. b. carnivore-producer-herbivore. c. herbivore-carnivore-producer. d. producer-herbivore-carnivore. e. carnivore-herbivore-producer.
The last place that pressure or sound waves pass
through in hearing is the a. middle ear. b. tympanic membrane. c. oval window. d. round window. e. tectorial membrane.
Hammerhead sharks are part of this class of fish
A) osteichthyes B) cartilaginous C) agnatha D) sharkailnous