Receptors for fast pain
A) generally arise from muscles or internal organs.
B) give rise to a phenomenon called referred pain.
C) transmit action potentials to the brain along the same neurons used by spinal neurons.
D) generally occur in or near skin.
E) initiate action potentials that travel more quickly.
D
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How do cells in the body of a multicellular organism communicate with each other?
a. by way of signaling molecules that interact with specific receptors b. through long projections that directly connect cells to each other c. through electrical signals passed between a cell and its external environment d. by the transport of ions between cells in different parts of the organism e. by the transport of ions in water
Which of the following best represents the human genome?
a. Caenorhabditis elegans b. Escherichia coli c. Drosophila melanogaster d. Homo sapiens
Which of the following pertaining to a cut corpus callosum is FALSE?
a. The right hemisphere doesn't know what the left hemisphere is doing. b. The right hemisphere directed the writing of COW but the person could not say what the word was. c. The right hemisphere directs motor activity on the left side of the body. d. The left hemisphere processes language. e. Information between the right and left hemispheres was shared, but reduced by 50 percent.
In the process of cell differentiation,
a. some daughter cells usually receive varying assortments of genes. b. different genetic instructions begin to operate in different groups of cells. c. cells become specialized as a result of meiosis. d. daughter cells acquire different characteristics as a result of mutations that have occurred. e. all of these