Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 9, Problem 8RQ
Endocrine signals are transmitted more slowly than paracrine signals because.___
- the ligands are transported through the bloodstream and travel greater distances
- the target and signaling cells are close together
- the ligands are degraded rapidly
- the ligands don't bind to carrier proteins during transport
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Chapter 9 Solutions
Biology 2e
Ch. 9 - Figure 9.8 HER2 is a receptor tyrosine kinase. In...Ch. 9 - Figure 9.10 In certain cancers, the GTPase...Ch. 9 - Figure 9.17 Which of the following statements...Ch. 9 - Figure 9.18 What advantage might biofilm...Ch. 9 - What property prevents the ligands of cell-surface...Ch. 9 - The secretion of hormones by the pituitary gland...Ch. 9 - Why are ion channels necessary to transport ions...Ch. 9 - Endocrine signals are transmitted more slowly than...Ch. 9 - A scientist notices that when she adds a small,...Ch. 9 - Where do DAG and IP3 originate? They are formed by...
Ch. 9 - What property enables the residues of the amino...Ch. 9 - Histamine binds to the H1 G-protein-linked...Ch. 9 - A scientist observes a mutation in the...Ch. 9 - What is the function of a phosphatase? A...Ch. 9 - How does NF-kB induce gene expression? A small,...Ch. 9 - Apoptosis can occur in a cell when the cell is...Ch. 9 - What is the effect of an inhibitor binding an...Ch. 9 - How does PKC’s signaling role change in response...Ch. 9 - A scientist notices that a cancer cell line fails...Ch. 9 - Which type of molecule acts as a signaling...Ch. 9 - Quorum sensing is triggered to begin when...Ch. 9 - A doctor is researching new ways to treat biofilms...Ch. 9 - What is the difference between intracellular...Ch. 9 - How are the effects of paracrine signaling limited...Ch. 9 - What are the differences between internal...Ch. 9 - Cells grown in the laboratory are mixed with a dye...Ch. 9 - Insulin is a hormone that regulates blood sugar by...Ch. 9 - The same second messengers are used in many...Ch. 9 - What would happen if the intracellular domain of a...Ch. 9 - If a cell developed a mutation in its MAP2K1 gene...Ch. 9 - What is a possible result of a mutation in a...Ch. 9 - How does the extracellular matrix control the...Ch. 9 - A scientist notices that a cancer cell line shows...Ch. 9 - What characteristics make yeasts a good model for...Ch. 9 - Why is signaling in multicellular organisms more...Ch. 9 - Pseudomonas infections are very common in hospital...
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- What statement about lipid-soluble signaling is FALSE. These signals often alter gene expression in the cell Requires a transporter to enter the cell Rapidly initiates long-lasting change Steroids are an example of lipid-soluble ligands O Lipid-soluble signals bind to intracellular receptorsarrow_forward27) Fill in the blanks Cells adjacent to one another frequently communicate through Other forms of cell-cell communication through In extracellular signaling ligand-receptor interaction induce; 28) Cell-to-cell communication by extracellular signaling usually involves six steps , sort the below given steps according to happening order; Removal of the signal, which usually terminates the cellular response – degradation of ligand- A change in cellular metabolism, function, or development CELLULAR RESPONSE triggered by the receptor-ligand complex – specific to the ligand-receptor complex Release of the signaling molecule by the signaling cell Transport of the signal to the target cell Synthesis of the signaling molecule by the signaling cell Detection of the signal by a specific receptor protein (receptor-ligand specificity 29) Polyethylene can be obtained in two different forms. High-density polyethylene (0.94 g/cm3) is a linear polymer. Low-density polyethylene (0.92 g/cm3) is a…arrow_forwardKindly refer to image and answer the question. 1. Why is there a need to regulate the metabolic activity of the cells?arrow_forward
- Cholera toxins, produced by the pathogenic bacteria Vibrio cholerae, disrupt G Protein Coupled Receptor (GPCR) signaling pathways. They interfere with... the ability of the beta subunit of a G protein to bind to the GPCR the ability of the gamma subunit of a G protein to exchange GDP for GTP the ability of the beta subunit of a G protein to bind to an effector protein the ability of the alpha subunit of a G protein to hydrolyze GTP to GDParrow_forwardSome signal molecules can bind to extracellular proteins that directly bind DNA and regulate gene transcription True Falsearrow_forwardPut the following steps for the outline of the growth factor signaling pathway in order: Map Kinase Kinase is Phosphorylated Proteins involved in gene transcription are activated Growth factor binds to its receptor in the cytoplasmic membrane Receptor recruits adaptor protein and GEF Autophosphorylation of tyrosine residues on the receptor Structural change of the receptor activates Tyrosine Kinase Map Kinase Kinase Kinase is phosphorylated Ras, a small GTPase, is activated by the exchange of GTP for GDP Map Kinase is Phosphorylated Map Kinase enters the nucleusarrow_forward
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