1. Epinephrine, norepinephrine, and pertide hormones affect target organ cells by: a) bìnding to target receptors in the nucleus b) second messengers released when receptor binding occurs at the...

hi pls help me answer the ff questions, choose the letter of correct answer only

Extracted text: 1. Epinephrine, norepinephrine, and pertide hormones affect target organ cells by: a) bìnding to target receptors in the nucleus b) second messengers released when receptor binding occurs at the plasma membrane surface c) enzymatic reactions that occur in the ribosomes d) binding to receptors in the cytoplasm 2. Steroid hormones affect target organ cells by: a) binding to target receptors in the cytoplasm or nucleus b) binding to target receptors in the plasma membrane c) binding to target receptors in the peripheral tissues d) releasing second messengers at plasma membrane receptors