Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 5, Problem 23CTQ
How can a cell use an extracellular peripheral protein as the receptor to transmit a signal into the cell?
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Chapter 5 Solutions
Biology 2e
Ch. 5 - Figure 5.12 A doctor injects a patient with what...Ch. 5 - Figure 5.16 Injecting a potassium solution into a...Ch. 5 - Figure 5.19 If the pH outside the cell decreases,...Ch. 5 - Which plasma membrane component can be either...Ch. 5 - Which characteristic of a phospholipid contributes...Ch. 5 - What is the primary function of carbohydrates...Ch. 5 - A scientist compares the plasma membrane...Ch. 5 - Water moves via osmosis. throughout the cytoplasm...Ch. 5 - The principal force driving movement in diffusion...Ch. 5 - What problem is faced by organisms that live in...
Ch. 5 - In which situation would passive transport not use...Ch. 5 - Active transport must function continuously...Ch. 5 - How does the sodium-potassium pump make the...Ch. 5 - What is the combination of an electrical gradient...Ch. 5 - What happens to the membrane of a vesicle after...Ch. 5 - Which transport mechanism can bring whole cells...Ch. 5 - In what important way does receptor-mediated...Ch. 5 - Many viruses enter host cells through receptor-...Ch. 5 - Which of the following organelles relies on...Ch. 5 - Imagine a cell can perform exocytosis, but only...Ch. 5 - Why is it advantageous for the cell membrane to be...Ch. 5 - Why do phospholipids rend to spontaneously orient...Ch. 5 - How can a cell use an extracellular peripheral...Ch. 5 - Discuss why the following affect the rate of...Ch. 5 - Why does water move through a membrane?Ch. 5 - Both of the regular intravenous solutions...Ch. 5 - Describe two ways that decreasing temperature...Ch. 5 - A cell develops a mutation in its potassium...Ch. 5 - Where does the cell get energy for active...Ch. 5 - How does the sodium-potassium pump contribute to...Ch. 5 - Glucose from digested food enters intestinal...Ch. 5 - The sodium/calcium exchanger (NCX) transports...Ch. 5 - Why is it important that there are different types...Ch. 5 - Why do ions have a difficult time getting through...
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- Which of the following statements is false? Question 11 options: a) Nucleotides and amino acids can act as extracellular signal molecules. b) Some signal molecules can bind directly to intracellular proteins that bind DNA and regulate gene transcription. c) Some signal molecules are transmembrane proteins. d) Dissolved gases such as nitric oxide (NO) can act as signal molecules, but because they cannot interact with proteins they must act by affecting membrane lipids.arrow_forwardDraw a diagram of a membrane receptor and include the following details. Include a depiction of the plasma membrane with which it is associated; label the locations of the extracellular space, the cytoplasm, and the ligand-binding domain.arrow_forwardWhat are the three types of cell signal receptors found in the plasma membrane?arrow_forward
- Compare/contrast intracellular vs. plasma membrane receptors. Where is each receptor located, and what type of signal molecule binds to each receptor?arrow_forwardWhat is the main benefit of cell signaling via direct physical contact and cell signaling over short distances (ex: nerve cell signaling)?arrow_forwardMolecule X is a soluble protein that is secreted in response to extracellular signal Y. Which sorting signal must molecule X have?arrow_forward
- The activation of a membrane integrin by the binding of its cytoplasmic portion to molecules in the cytoplasm and the resultant increase in its affinity for an extracellular ligand is called ________. a) inside-out signalingb) outside-in signalingc) right-side-out signalingd) simple signalinge) integrinationarrow_forwardWhat would happen in each of the following cases where something related to intracellular transport is altered? Assume in each case that the protein involved is a soluble protein, not a membrane protein. State where each protein would be located and explain each of your answers. You change the hydrophobic amino acids in an ER signal sequence into negatively charged amino acids. You discover a protein that has both an ER signal sequence and a nuclear localization sequence. The ER signal sequence is at the N-terminus of the protein, and the nuclear localization sequence is located in the middle of the protein.arrow_forwardWhy are ion channels necessary to transport ions into or out of a cell?arrow_forward
- Cell communication a) There are six main principles for transmitting a chemical signal between cells, name and describe two. b) How does a signal that binds to the surface of the cell reach all the way to the nucleus? c) What does it mean that a signal is G protein linked?arrow_forwardDescribe the THREE classes of plasma membrane receptors.arrow_forwardCan a cell have multiple responses to one stimulus? A) Yes, such as a second messenger activating a kinase and a transcription factor B) No, one stimulus = one response. C) Yes, but only if the stimulus activates two different types of receptors, like a GPCR and a protein kinase receptor at the same timearrow_forward
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