Biod 101 Module 5

BIOD 101 MODULE 5 EXAM QUESTIONS WITH CORRECT VERIFIED ANSWERS | 100% PASS (A+ CERTIFIED) Which of the following signaling types is used to transmit ligands to their target cells over long distances, using the circulatory system as a transport medium? 1. Autocrine signaling 2. Endocrine signaling 3. Direct cell-to-cell signaling 4. Paracrine signaling 5. Synaptic signaling Answer Endocrine signaling. Explain why a steroid hormone would require a carrier protein to transport it through the bloodstream. Answer Steroid hormones are hydrophobic. They would require a carrier protein to carry it through the blood because it is considered hydrophilic. Each of the following is true regarding cellular receptors except: 1. Receptors in each family are classified by their location in the body. 2. Most receptors are located on the outside of a cell, anchored in the plasma membrane. 3. Cell surface receptors contain an extracellular region, intracellular region, and a hydrophobic region in the plasma membrane. 4. Intracellular receptors are located in the cell's cytoplasm. Answer Receptors in each family are classified by their location in the body. List TWO specific examples of cellular ligands. Answer Hormones, peptides, sugars, and other hydrophobic molecules. So calcium and female sex hormones would classify as ligands. Fill in the Blank: Transduction is the chain of ___________ and intracellular ___________ that relay signals inside of a cell. Answer 1. Molecules