Podcast
Questions and Answers
Which type of intercellular chemical signaling involves neurons transmitting signals electrically along their axons and releasing neurotransmitters?
Which type of intercellular chemical signaling involves neurons transmitting signals electrically along their axons and releasing neurotransmitters?
- Paracrine signaling
- Contact-dependent signaling
- Synaptic signaling (correct)
- Endocrine signaling
Which type of intercellular chemical signaling involves signals (hormones) that travel long distances and are usually longer lasting?
Which type of intercellular chemical signaling involves signals (hormones) that travel long distances and are usually longer lasting?
- Contact-dependent signaling
- Endocrine signaling (correct)
- Synaptic signaling
- Paracrine signaling
Which type of intercellular chemical signaling involves cells secreting signaling molecules that bind to their own cell surface or neighboring cells of the same type?
Which type of intercellular chemical signaling involves cells secreting signaling molecules that bind to their own cell surface or neighboring cells of the same type?
- Paracrine signaling
- Contact-dependent signaling
- Autocrine signaling (correct)
- Synaptic signaling
Which type of intercellular chemical signaling involves cell junctions that allow signaling molecules to pass from one cell to another?
Which type of intercellular chemical signaling involves cell junctions that allow signaling molecules to pass from one cell to another?
Which class of cell surface receptors is involved in rapid synaptic signaling between nerve cells and other electrically excitable target cells such as muscle cells?
Which class of cell surface receptors is involved in rapid synaptic signaling between nerve cells and other electrically excitable target cells such as muscle cells?
Which class of cell surface receptors act by indirectly regulating the activity of a separate plasma-membrane-bound target protein, which is generally either an enzyme or an ion channel?
Which class of cell surface receptors act by indirectly regulating the activity of a separate plasma-membrane-bound target protein, which is generally either an enzyme or an ion channel?
Which class of cell surface receptors either function directly as enzymes or associate directly with enzymes that they activate?
Which class of cell surface receptors either function directly as enzymes or associate directly with enzymes that they activate?
Which protein is required for the insulin receptor to recruit and bind SH2 containing proteins?
Which protein is required for the insulin receptor to recruit and bind SH2 containing proteins?
Which signaling pathway is stimulated upon insulin binding its receptor?
Which signaling pathway is stimulated upon insulin binding its receptor?
Which protein with an SH2 domain is involved in the Ras/MAPK signaling pathway?
Which protein with an SH2 domain is involved in the Ras/MAPK signaling pathway?
Which protein is responsible for activating Ras in the Ras/MAPK pathway?
Which protein is responsible for activating Ras in the Ras/MAPK pathway?
Which signaling pathway is activated by the activation of phospholipase C-gamma?
Which signaling pathway is activated by the activation of phospholipase C-gamma?
Which protein is involved in the activation of phospholipase C-gamma?
Which protein is involved in the activation of phospholipase C-gamma?
Which second messenger is involved in many cellular processes through the activation of calmodulin-dependent protein kinases?
Which second messenger is involved in many cellular processes through the activation of calmodulin-dependent protein kinases?
Which of the following is a characteristic of lipophilic hormones?
Which of the following is a characteristic of lipophilic hormones?
Which of the following is a characteristic of nuclear receptors?
Which of the following is a characteristic of nuclear receptors?
Which of the following is a characteristic of Gs signaling pathway?
Which of the following is a characteristic of Gs signaling pathway?
Which of the following is a characteristic of Gq signaling pathway?
Which of the following is a characteristic of Gq signaling pathway?
Which of the following is a characteristic of protein kinases?
Which of the following is a characteristic of protein kinases?
Which of the following is a characteristic of protein phosphatases?
Which of the following is a characteristic of protein phosphatases?
Which of the following is a characteristic of single transmembrane receptors?
Which of the following is a characteristic of single transmembrane receptors?
Which protein is responsible for inhibiting the degradation of b-catenin?
Which protein is responsible for inhibiting the degradation of b-catenin?
What happens to b-catenin in the presence of Wnt?
What happens to b-catenin in the presence of Wnt?
Which protein is a key regulator of b-catenin?
Which protein is a key regulator of b-catenin?
Which complex is responsible for phosphorylating b-catenin in the absence of Wnt?
Which complex is responsible for phosphorylating b-catenin in the absence of Wnt?
What happens to b-catenin in the absence of Wnt?
What happens to b-catenin in the absence of Wnt?
Which pathway is regulated by the PI3K/AKT pathway?
Which pathway is regulated by the PI3K/AKT pathway?
What is the role of AKT in the PI3K/AKT pathway?
What is the role of AKT in the PI3K/AKT pathway?
Which diseases/disorders have been linked to abnormal regulation of the mTOR pathway?
Which diseases/disorders have been linked to abnormal regulation of the mTOR pathway?
Which molecule binds to the phosphorylated tyrosine on the receptor and becomes active?
Which molecule binds to the phosphorylated tyrosine on the receptor and becomes active?
What molecule does AKT (PKB) phosphorylate after binding to PIP3?
What molecule does AKT (PKB) phosphorylate after binding to PIP3?
What is the role of PDK in the PI3K/AKT pathway?
What is the role of PDK in the PI3K/AKT pathway?
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