The first transgenic animals were created in
a. 1952.
b. 1962.
c. 1972.
d. 1982.
e. 1992.
Answer: d
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An antibiotic that increased the activity of ________ would likely result in cell death
A) autolysin B) binary fission C) stationary growth D) ionic bonds in proteins
How does the digestion and absorption of fat differ from that of carbohydrates?
A. Processing of fat does not require any digestive enzymes, whereas the processing of carbohydrates does. B. Fat absorption occurs in the stomach, whereas carbohydrates are absorbed from the small intestine. C. Carbohydrates need to be emulsified before they can be digested, whereas fats do not. D. Most absorbed fat enters the lymphatic system, whereas carbohydrates directly enter the blood. E. Fat must be partially digested by bacteria in the large intestine before it can be absorbed, which is not the case for carbohydrates.
Once activated, cAMP is quickly degraded to AMP by ____, switching off the signal pathway
a. adenylyl cyclase b. diacylglycerol c. phospholipase C d. acetylcholinesterase
e. phosphodiesteraseWhich of the following characteristics is NOT
present in all animal phyla? a. multicellularity b. organ systems c. heterotrophy d. diploidy e. sexual reproduction