Homework Answers
Answer: Paracrine signaling
Explanation:
Paracrine signaling in which para means near. It occurs when a
ligand acts on nearby or neighboring cells.
Autocrine signals means when ligand acts on the same cell which
releases it.
Endocrine signaling means when ligand acts on far away cells.
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Question 24 2.2 pts When a ligand is emitted and then sensed and responded to by...
Question 29 2.2 pts Which of the following indicates the stages of cell signaling after the...
Question 29 2.2 pts Which of the following indicates the stages of cell signaling after the ligand has been produced? o the paracrine, local, and synaptic stages. signal reception, signal transduction, and cellular response. o signal reception, nucleus disintegration, and new cell generation o the alpha, beta, and gamma stages signal reception, cellular response and cell division
Question 29 2.2 pts Which of the following indicates the stages of cell signaling after the...
Question 29 2.2 pts Which of the following indicates the stages of cell signaling after the ligand has been produced? the paracrine, local, and synaptic stages signal reception, signal transduction and cellular response signal reception, nucleus disintegration and new cell generation the alpha, beta, and gamma stages, e signal reception, cellular response, and cell division,
8- Which of the following can be activated by an inhibitory neurotransmiter on the postsynagtie a....
8- Which of the following can be activated by an inhibitory neurotransmiter on the postsynagtie a. Ligand-gated Na·Channels. b. Voltage-gated Na channels c. Voltage-gated K' channels d. Voltage-gated CaChannels Ligand-gated CT channels. 9- Saltatory conduction occurs when a. Sodium ions levels are highest b. Gated-sodium channels open c. The resting potential fails to be reset d. There is no synapse and the axon is continuous with the next dendrite e. The action potential jumps from node to node on a...
D Question 22 2.2 pts In the process of cell signaling, the signaling molecule that is...
D Question 22 2.2 pts In the process of cell signaling, the signaling molecule that is specifically detected by the target cell o is called a signal transducer. o is called a polymer is known as a secondary messenger. is called a ligand. e terminates the signal reception If phosphorylation were inhibited, this would most affect the activity of G-protein-linked receptors. e ligand-gated ion channels. transcription factors e phosphatase enzymes. O receptor tyrosine kinases.
QUESTION 1 When cells stimulate other cells at long distances, it is referred to as: paracrine...
QUESTION 1 When cells stimulate other cells at long distances, it is referred to as: paracrine loops autocrine loops synaptic signaling endocrine signaling 1 points QUESTION 2 What region of a protein binds phosphorylated serines & tyrosines on another protein? SH2 domain ligand cAMP receptor monomers 1 points QUESTION 3 Activation of a serpentine receptor can lead to: cAMP generation GTP-binding of G proteins activation of Protein Kinase A all of the above 1 points QUESTION 4...
Question 21 (1 point) Saved Paracrine signaling uses what types of cells to allow for fast...
Question 21 (1 point) Saved Paracrine signaling uses what types of cells to allow for fast signaling? O Nerve cells Somatic Cells Epithelial cells O none of these Saved Question 22 (1 point) Endocrine signals are.... Short in duration and more gradual in their effect longer lasting and more gradual in terms of their effects short in duration, and immediate in their effect Longer lasting and immediate in their effect Question 23 (1 point) Paracrine signals are.... Longer lasting and...
Question 26 2.2 p The phosphorylation of specific amino acids is a characteristic of the cell...
Question 26 2.2 p The phosphorylation of specific amino acids is a characteristic of the cell producing the ligand. e a class of GTP G-protein signal receptors. secondary messengers. receptor tyrosine kinases. transcription factors. Signal transduction is initiated O when the chemical signal is released from the signaling cell. o when the signal molecule alters the receptor protein in some way. o after the target cell divides. after the ligand is degraded. o when the receptor protein is synthesized.
45) A bacterium engulfed by a white blood cell through phagocytosis will be digested by en...
45) A bacterium engulfed by a white blood cell through phagocytosis will be digested by en mes contained in A) peroxisomes. B) lysosomes. C) Golgi vesicles D) vacuoles. E) secretory vesicles. 44) Which of the following factors would tend to increase membrane fluidity? A) a greater proportion of unsaturated phospholipids B) a greater proportion of saturated phospholipids C) a lower temperature D) a relatively high protein content in the membrane E a greater proportion of relatively large glycolipids compared with...
Question 21 2.2 pts Which of the following methods is not typically used to terminate a...
Question 21 2.2 pts Which of the following methods is not typically used to terminate a signaling cascade? altering the pH of the cytoplasm. o removing phosphate groups e compartmentalizing calciumions degrading CAMP
Question 24 2 pts An earlier onset of puberty is known as the? Secular Trend 20th...
Question 24 2 pts An earlier onset of puberty is known as the? Secular Trend 20th Century Hormonal Imbalance None of the above Question 25 2 pts At which age do men stop growing taller? 20-21 22-23 18-19 15-17
Question 29 2.2 pts Which of the following indicates the stages of cell signaling after the ligand has been produced? o the paracrine, local, and synaptic stages. signal reception, signal transduction, and cellular response. o signal reception, nucleus disintegration, and new cell generation o the alpha, beta, and gamma stages signal reception, cellular response and cell division
Question 29 2.2 pts Which of the following indicates the stages of cell signaling after the ligand has been produced? the paracrine, local, and synaptic stages signal reception, signal transduction and cellular response signal reception, nucleus disintegration and new cell generation the alpha, beta, and gamma stages, e signal reception, cellular response, and cell division,
8- Which of the following can be activated by an inhibitory neurotransmiter on the postsynagtie a. Ligand-gated Na·Channels. b. Voltage-gated Na channels c. Voltage-gated K' channels d. Voltage-gated CaChannels Ligand-gated CT channels. 9- Saltatory conduction occurs when a. Sodium ions levels are highest b. Gated-sodium channels open c. The resting potential fails to be reset d. There is no synapse and the axon is continuous with the next dendrite e. The action potential jumps from node to node on a...
D Question 22 2.2 pts In the process of cell signaling, the signaling molecule that is specifically detected by the target cell o is called a signal transducer. o is called a polymer is known as a secondary messenger. is called a ligand. e terminates the signal reception If phosphorylation were inhibited, this would most affect the activity of G-protein-linked receptors. e ligand-gated ion channels. transcription factors e phosphatase enzymes. O receptor tyrosine kinases.
Question 21 (1 point) Saved Paracrine signaling uses what types of cells to allow for fast signaling? O Nerve cells Somatic Cells Epithelial cells O none of these Saved Question 22 (1 point) Endocrine signals are.... Short in duration and more gradual in their effect longer lasting and more gradual in terms of their effects short in duration, and immediate in their effect Longer lasting and immediate in their effect Question 23 (1 point) Paracrine signals are.... Longer lasting and...
Question 26 2.2 p The phosphorylation of specific amino acids is a characteristic of the cell producing the ligand. e a class of GTP G-protein signal receptors. secondary messengers. receptor tyrosine kinases. transcription factors. Signal transduction is initiated O when the chemical signal is released from the signaling cell. o when the signal molecule alters the receptor protein in some way. o after the target cell divides. after the ligand is degraded. o when the receptor protein is synthesized.
45) A bacterium engulfed by a white blood cell through phagocytosis will be digested by en mes contained in A) peroxisomes. B) lysosomes. C) Golgi vesicles D) vacuoles. E) secretory vesicles. 44) Which of the following factors would tend to increase membrane fluidity? A) a greater proportion of unsaturated phospholipids B) a greater proportion of saturated phospholipids C) a lower temperature D) a relatively high protein content in the membrane E a greater proportion of relatively large glycolipids compared with...
Question 21 2.2 pts Which of the following methods is not typically used to terminate a signaling cascade? altering the pH of the cytoplasm. o removing phosphate groups e compartmentalizing calciumions degrading CAMP
Question 24 2 pts An earlier onset of puberty is known as the? Secular Trend 20th Century Hormonal Imbalance None of the above Question 25 2 pts At which age do men stop growing taller? 20-21 22-23 18-19 15-17
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