How many different kinds of polypeptides, each composed of 5 amino acids, could be synthesized using the 20 common amino acids?
A) 5
B) 20 to power of (10)
C) 5 to power of (5)
D) 20 to power of (5)
E) 20
Answer: D) 20 to power of (5)
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Which of the following is not true of Claviceps
purpurea? a. It causes ergotism. b. It produces toxic alkaloids. c. It parasitizes rye. d. It may have played a role in the Salem witch trials. e. All of these are true
The optimal foraging theory states that when animals forage, they maximize their ____ per unit of foraging time
a. migration rates b. energy intake c. ability to capture prey d. interaction with predators e. ability to hide from predators
Based on the accompanying figure, the decline in the moose population in 1996 was most likely due to a(n):
a. predictable increase in the wolf population.
b. unpredictable increase in the wolf population.
c. decrease in the intrinsic rate of increase for the moose population.
d. decline in the food supply.
e. unknown disease organism.
Staphylococcus aureus food poisoning is long-lasting because ingested bacteria produce enterotoxins in the digestive system
Indicate whether the statement is true or false