#Question id: 1087
#Unit 4. Cell Communication and Cell Signaling
Scientists have found that extracellular matrix components may induce specific gene expression in embryonic tissues such as the liver and testes. For this to happen, there must be direct communication between the extracellular matrix and the developing cells. Which kind of transmembrane protein would most likely be involved in this kind of induction?
#Question id: 1088
#Unit 4. Cell Communication and Cell Signaling
One of the major categories of receptors in the plasma membrane functions by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this?
#Question id: 1089
#Unit 4. Cell Communication and Cell Signaling
Which of the following statements describes a likely effect of a drug designed that inhibits the cellular response to testosterone?
#Question id: 1090
#Unit 4. Cell Communication and Cell Signaling
Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane?
#Question id: 1091
#Unit 4. Cell Communication and Cell Signaling
Why does testosterone, a lipid-soluble signaling molecule that crosses the membranes of all cells, affect only target cells?
#Question id: 1092
#Unit 4. Cell Communication and Cell Signaling
Which of the following statements is true of steroid receptors?