Which statement regarding the effects of phosphorylation on a target protein and the effects of GDP/GTP binding on a G protein is correct? O phosphorylation can inactivate proteins; a G protein is sometimes activated by GDP binding and sometimes activated by GTP binding O phosphorylation always activates proteins; a G protein is always activated by GDP, not GTP binding O phosphorylation can activate proteins; a G protein is always activated by GTP, not GDP binding phosphorylation can activate proteins; a G protein is sometimes activated by GDP binding and sometimes activated by GTP binding O phosphorylation always activates proteins; a G protein is always activated by GTP, not GDP binding

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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Answer question 39

Which statement regarding the effects of phosphorylation on a target protein
and the effects of GDP/GTP binding on a G protein is correct?
phosphorylation can inactivate proteins; a G protein is sometimes activated by GDP
binding and sometimes activated by GTP binding
O phosphorylation always activates proteins; a G protein is always activated by GDP,
not GTP binding
phosphorylation can activate proteins; a G protein is always activated by GTP, not
GDP binding
phosphorylation can activate proteins; a G protein is sometimes activated by GDP
binding and sometimes activated by GTP binding
O phosphorylation always activates proteins; a G protein is always activated by GTP,
not GDP binding
Transcribed Image Text:Which statement regarding the effects of phosphorylation on a target protein and the effects of GDP/GTP binding on a G protein is correct? phosphorylation can inactivate proteins; a G protein is sometimes activated by GDP binding and sometimes activated by GTP binding O phosphorylation always activates proteins; a G protein is always activated by GDP, not GTP binding phosphorylation can activate proteins; a G protein is always activated by GTP, not GDP binding phosphorylation can activate proteins; a G protein is sometimes activated by GDP binding and sometimes activated by GTP binding O phosphorylation always activates proteins; a G protein is always activated by GTP, not GDP binding
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