Chemical coordination - chemical nature of hormones
1. Peptide and protein hormones are composed of chains of: a) Nucleotides b) Amino acids c) Lipids d) Sugars 2. Which hormone is an example of a short-chain amino acid hormone? a) Growth hormone b) Insulin c) Antidiuretic hormone (ADH) d) Thyroid hormone 3. Hormones derived from tyrosine are known as: a) Steroid hormones b) Peptide hormones c) Biogenic amines d) Lipophilic hormones 4. Melatonin is a hormone secreted by the: a) Adrenal medulla b) Thyroid gland c) Pineal gland d) Pancreas 5. Steroid hormones are derived from: a) Amino acids b) Cholesterol c) Nucleotides d) Glycogen 6. Hormones must be sufficiently complex to convey regulatory information to their target cells and: a) Highly volatile b) Rapidly degradable c) Adequately stable d) Water-soluble 7. The specificity of hormone action is determined by: a) Blood pH b) Temperature c) Receptors on target cells d) Hormone concentration in the blood
