Approximately half of known animal carcinogens can be detected by the Ames test.
Answer the following statement true (T) or false (F)
True
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The production of toxin by the rough-skinned newts, which deters many predators, is an
example of __________.
a. an adaptation b. adaptive radiation c. sexual selection d. coevolution
Which list correctly describes the sequence of events that occurs during cell division, beginning at interphase?
a. nuclear division, DNA replication, cytoplasmic division b. DNA replication, cytoplasmic division, nuclear division c. cytoplasmic division, nuclear division, DNA replication d. nuclear division, cytoplasmic division, DNA replication e. DNA replication, nuclear division, cytoplasmic division
Albinism is an autosomal recessive trait in humans. Assume that there are 100 albinos (aa) in a population of 1 million. How many individuals would be expected to be homozygous normal (AA) under equilibrium conditions?
A) 999,900 B) 10,000 C) 980,100 D) 19,800 E) 100
When E. coli is grown on glucose, and there is no lactose available
a. the lac repressor binds to the operator of the lac operon b. lactose molecules bind to the lac repressor c. the lac genes are transcribed into messenger RNA d. RNA polymerase binds to the promoter of the lac operon