Identify two important proteins that are produced using genetic engineering techniques. Briefly discuss
why the genetic engineering techniques used are preferred over the other methods of producing each of
the proteins that you identified What will be an ideal response?
Insulin produced by genetic engineering is superior to insulin derived from other animals because it
does not elicit an allergic response. Genetically modified growth hormone is available in larger
quantities because in the past growth hormone was available only from cadavers
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Which of the following molecules is not a carrier of electrons in the electron transport system (ETS)?
A) flavoproteins B) copper-nickel compounds C) cytochromes D) iron-sulfur proteins E) coenzyme Q
Which answer best describes energy flow in biological systems as described in the text?
a. glucose ? G3P ? NADH ? ATP b. bacteria ? archaea ? plants ? animals c. NAD+ ? NADH ? ADP ? ATP d. G3P ? glucose ? ATP ? NAD+ e. pyruvate oxidation ? glycolysis ? fermentation ? citric acid cycle
In this disease there is a buildup of lipids in
arterial walls that forms a plaque that narrows the space inside the artery. This disease is
a. atherosclerosis. b. hemophilia. c. hypertension. d. sickle-cell anemia. e. more than one of these.
What is the function of topoisomerase?
A) relieving strain in the DNA ahead of the replication fork B) elongating new DNA at a replication fork by adding nucleotides to the existing chain C) unwinding of the double helix D) stabilizing single-stranded DNA at the replication fork