Which of the following is TRUE of cancer of the penis?
A. It is more common in circumcised men than in uncircumcised men.
B. It is thought to be related to the collection of smegma under the foreskin.
C. It is the most common cause of death by cancer in men.
D. It cannot be treated by surgery or by radiation therapy
B. It is thought to be related to the collection of smegma under the foreskin.
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Neurotransmitters are stored in vesicles located within axon terminals
Indicate whether the statement is true or false.
Ecosystems typically support which two types of food webs?
a. decomposing and detrital b. producing and detrital c. grazing and detrital d. producer and consumer e. grazing and hunting
The finding that homeotic genes are present in both mammals and insects indicates that these genes must
A. have arisen very early in the evolutionary history of animals. B. control the same traits. C. have developed independently and simultaneously. D. have been transmitted into mammals by an insect bite. E. be on the same chromosomes.
If a person is diagnosed with lactose intolerance, which of the following is likely?
A. Eating fatty foods would be lethal. B. Eating dairy products could cause gastrointestinal pain. C. This person could only drink milk. D. Digesting sugars is no longer possible. E. Eating dairy foods would be lethal.