When a cell responds to a signal it sent, this is an example of _____.
A. Direct intercellular signaling
B. Endocrine signalling
C. Paracrine signaling
D. Autocrine signaling
E. Contact-dependent signaling
D. Autocrine signaling
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Movement of soluble organic material through plants is known as ____
a. translocation b. transduction c. transformation d. transpiration e. transportation
Mucinase has the greatest effect on the ________.
A. gastrointestinal system B. respiratory system C. genital system D. skin E. urinary system
Most of the somatic cells in the body are structurally and functionally specialized and do not divide
a. True b. False Indicate whether the statement is true or false
Many signal transduction pathways utilize second messengers to ____
a. transport a signal through the lipid bilayer of the plasma membrane b. relay a signal from the outside of the cell to the inside c. relay a signal from the inside of the cell to the outside d. decrease the message once the signaling molecules have left the receptor e. relay the message from the inner surface of the plasma membrane throughout the cytoplasm