Intracellular Receptors – Modes of Cell Communication
Über den Vortrag
Der Vortrag „Intracellular Receptors – Modes of Cell Communication“ von Georgina Cornwall, PhD ist Bestandteil des Kurses „Cellular Structure“.
Quiz zum Vortrag
Select all that apply from the options below. Ligands that elicit their effects through intracellular receptors...
- ...are hydrophobic molecules.
- ...can bind directly to the receptor, which binds to DNA to elicit an effect.
- ...need a channel protein to access the cell.
- ...bind to receptors either in the cytoplasm or in the nucleus.
- ...bind only to receptors within the nucleus, closer to DNA.
Which of the following statements is NOT correct regarding intracellular receptors?
- The dilation of penile blood vessels due to high levels of cGMP is the mechanism underlying erectile dysfunction.
- Three functional domains determine the activity of gene expression in regulating intracellular receptors.
- Viagra selectively inhibits a cGMP-specific phosphodiesterase enzyme in the penis to maintain high cGMP levels.
- Nitric oxide causes dilation of blood vessels and symptom relief in patients experiencing chest pain.
- Steroid hormones pass through cell membranes and bind to intracellular receptors to control gene expression.
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Dozent des Vortrages Intracellular Receptors – Modes of Cell Communication
Georgina Cornwall, PhD
Dr. Georgina Cornwall is a Biology Instructor and currently works as an Instructional Designer in the private sector, developing interactive online training materials.
She obtained her PhD in Environmental, Population, and Organismic Biology at the University of Colorado, USA, in 2000, and has since taught a broad array of biology courses at various US universities.
She is an active promoter of hybrid/online teaching formats and interactive courses, and has received several awards for her engaging and innovative course design; e.g., she was named Adjunct Faculty of the Year at Colorado Mountain College in Aspen twice.
Within Lecturio, Dr. Cornwall teaches courses on Biology & Genetics.
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