Question at position 37 Which of the following statements about hormones is false?Hormones influence metabolism in target cells.Hormones are chemical messengers.Hormones are produced by endocrine glands.Hormones are always made of proteins.

Question

BlackTom AI · Accepted Answer

Exploring statements about hormones requires distinguishing facts from misconceptions.
Option 1: 'Hormones influence metabolism in target cells.' This is true because hormones bind to specific receptors on target cells and regulate metabolic pathways, affecting processes like energy use, growth, and storage.
Option 2: 'Hormones are chemical messengers.' This is a core definition of hormones: they are chemical signals released by glands or cells that travel to distant or nearby cells to exert effects.
Option 3: 'Hormones are produced by endocrine glands.' This is accurate for the majority of classic hormones, which are synthesized and secreted by endocrine glands such as the thyroid, adrenal, and pituitary glands.
Option 4: 'Hormones are always made of proteins.' This statement is incorrect. Hormones come in several chemical classes, including peptide/protein hormones, but also steroid hormones (derived from cholesterol) and amine hormones (derived from amino acids like tyrosine). Therefore, not all hormones are proteins.

Question at position 37 Which of the following statements about hormones is false?Hormones influence metabolism in target cells.Hormones are chemical messengers.Hormones are produced by endocrine glands.Hormones are always made of proteins.Single choice

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