After the molecule shown here undergoes replication, what would be the result?
A) This strand will be twice as long.
B) This molecule will consist of four twisted strands.
C) Two new molecules will form, in addition to this original molecule.
D) Two new molecules will form, each of which contains one strand from this molecule.
Ans: D) Two new molecules will form, each of which contains one strand from this molecule.
You might also like to view...
This graph shows both human birth weight and
newborn infant mortality. The most common birth weight is between seven and eight pounds. Human birth weight seems to be an example of a. directional selection. b. stabilizing selection. c. sexual selection. d. disruptive selection. e. artificial selection
Which of the following crosses would always result in offspring that only display the dominant phenotype?
A. TT x tt B. Tt x Tt C. TT x TT D. Tt x tt E. Two of the crosses will always display the dominant phenotype
Chagas' disease is transmitted by a bug with mouthparts that penetrate blood vessels. Which type of exposure does this represent?
A) mucous membrane portal B) parenteral route C) skin portal D) contact E) fomite
Connor decides to celebrate his 21st birthday by drinking a few beers at a local sports bar. After a while, Connor notices that he is making many more trips to the men's room than the week before when he drank similar amounts of carbonated water. Why is that?
A. Alcohol inhibits reabsorption of sugars, amino acids and other small metabolites, which decreases reabsorption of water. B. Alcohol stimulates secretion of ions into the nephron and water follows by osmosis. C. Alcohol inhibits the secretion of ADH by the posterior pituitary gland, thereby decreasing water reabsorption. D. Alcohol stimulates filtration of the blood plasma by the glomeruli. E. Alcohol stimulates the insertion of aquaporins into the plasma membranes of cells that line the collecting ducts, thereby decreasing water reabsorption.