Two aqueous solutions are separated by a selectively permeable membrane that allows water to pass through but does not allow starch to pass through. Solution A is 10% starch and solution B is 5% starch. What will occur?
A) Water will diffuse from solution A to solution B.
B) Both water and starch will diffuse from solution B to solution A.
C) Starch will diffuse from solution A to solution B.
D) Water will diffuse from solution B to solution A.
E) Starch will diffuse from solution B to solution A.
D
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If this molecule is destined to deliver an arginine to a ribosome for incorporation into a growing polypeptide, which one of the following 3' to 5' sequences would not be found in the region labeled (C)?
A. GCA B. GCC C. UCU D. AGG E. UCC
Deadenylation, decapping and 5' —> 3' degradation occur within small, transient cytoplasmic granules called _________.
a) decappers b) P-bodies c) P-coats d) degradators e) P-granules
A heart murmur would be associated with the malfunction of which structure?
A) heart muscle B) aorta C) heart epithelial tissue D) atrioventricular valves E) pacemaker
A scientist is studying the lysogenic cycle of the lambda 1 phage of Escherichia coli. This means that she is investigating
A. the integration and stabilizing of the lambda 1 phase into a host cell's genome. B. the integration of the bacteria's genome with the viral genome outside of the bacteria's cell wall. C. the integration of the viral genome into the ribosomes present in the bacteria to direct protein synthesis for the capsid formation. D. the integration and stabilizing of a virus into its capsid, which provides protection until conditions are better for reproduction.