Podcast
Questions and Answers
What is the most numerous type of hormone?
What is the most numerous type of hormone?
- Thyroid hormones
- Steroid hormones
- Peptide hormones (correct)
- Amine hormones
How do steroids and thyroid hormones primarily act?
How do steroids and thyroid hormones primarily act?
- They diffuse freely through the cell membrane and act intracellularly (correct)
- They bind to G-protein coupled receptors at the cell surface
- They activate receptor tyrosine kinases on the cell surface
- They are transported into the cell by specific carrier proteins
How do peptide and amine hormones primarily mediate their effects?
How do peptide and amine hormones primarily mediate their effects?
- By entering the cell and binding to nuclear receptors
- By directly interacting with the DNA in the cell's nucleus
- Through G-protein coupled receptors and receptor tyrosine kinases (correct)
- By combining with carrier proteins for transport into the cell
What is the basis for conferring specificity in several peptide hormones?
What is the basis for conferring specificity in several peptide hormones?
What is the main mechanism by which peptide hormones are synthesized and processed?
What is the main mechanism by which peptide hormones are synthesized and processed?
In what form are hormone precursors typically found?
In what form are hormone precursors typically found?
How do elevated levels of circulating glucose affect the translation of insulin mRNA?
How do elevated levels of circulating glucose affect the translation of insulin mRNA?
Which hormones may be derived from the same initial precursor depending on specific processing steps in a given cell type?
Which hormones may be derived from the same initial precursor depending on specific processing steps in a given cell type?
What is the main mechanism controlling synthesis of peptide hormones and hormone receptors?
What is the main mechanism controlling synthesis of peptide hormones and hormone receptors?
How does thyroid hormone directly suppress TSH expression?
How does thyroid hormone directly suppress TSH expression?
Which type of hormones predominantly act at the cell surface?
Which type of hormones predominantly act at the cell surface?
What is the distinguishing feature of steroids and thyroid hormones in terms of their sites of action?
What is the distinguishing feature of steroids and thyroid hormones in terms of their sites of action?
What is the common characteristic of heterodimeric peptide hormones?
What is the common characteristic of heterodimeric peptide hormones?
How do the number and diversity of hormones change as one moves from simple to higher life forms?
How do the number and diversity of hormones change as one moves from simple to higher life forms?
What is the primary means of regulating hormone synthesis for amine and steroid hormones?
What is the primary means of regulating hormone synthesis for amine and steroid hormones?
How are multiple hormones derived from the same initial precursor in some cases?
How are multiple hormones derived from the same initial precursor in some cases?
In what form are the hormone precursors typically found?
In what form are the hormone precursors typically found?
How does elevated levels of circulating glucose affect the translation of insulin mRNA?
How does elevated levels of circulating glucose affect the translation of insulin mRNA?
What is the main mechanism controlling synthesis of peptide hormones and hormone receptors?
What is the main mechanism controlling synthesis of peptide hormones and hormone receptors?
How do peptide and amine hormones primarily mediate their effects?
How do peptide and amine hormones primarily mediate their effects?
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