Which of the following statements about paracrine regulation is true?
a. The hormones released only stimulate the cells that secreted them.
b. The hormones released only inhibit the cells that secreted them.
c. The hormones released act on nearby target cells.
d. The hormones released are transported down axons.
e. The hormones released link the endocrine and nervous systems.
C
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A recently-developed mnemonic for remembering the taxonomic levels from Domain to Species is "Dumb Kids Prefer Candy Over Fancy Green Salad." The word "candy" here is a reminder of the taxonomic level of ________.
A. chain B. class C. colony D. culture E. category
What is the independent variable in this figure?
A. number of children with allergies to dust mites B. amount of interleukin-10 produced C. number of white blood cells in the children's blood D. amount of antibodies in the children's blood E. if children were infected with flatworms
What type of cells do not undergo mitosis?
A. All cells of the body except gametes (i.e., only somatic cells) B. Gametes C. Both somatic cells of the body and gametes D. Neither somatic cells of the body nor gametes
Who is primarily at risk for a candidiasis infection?
A) patients with cancer B) patients with long hospital stays C) patients confined to a bed D) immunocompromised individuals who have underlying conditions such as cancer, diabetes mellitus, AIDS, or who are taking medication that suppresses the immune system E) elderly patients