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 16RQ
Apoptosis can occur in a cell when the cell is
- damaged
- no longer needed
- infected by a virus
- all of the above
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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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- The plasma membrane __________. a. surrounds the cytoplasm b. separates the nucleus from the cytoplasm c. separates the cell interior from the environment d. both a and carrow_forwardWhich describes the cell's cortex? the region around the MTOC where it is closely associated with the trans face of the Golgi apparatus the proteins around the centriole, including gamma-tubulin ring complexes the nucleoplasm just inside the nuclear envelope that is rich in nuclear lamins the region of cytoplasm just inside the plasma membrane that is rich in actin, actin-binding proteins and myosinsarrow_forwardFrom a virus’s perspective, why would it be beneficial to prevent apoptosis?arrow_forward
- All of them are true about apoptosis except: O Blebs contain cellular orgenelles Cell membrane ruptures and release content Programmed cell death Phagocytic cells remove fragment bodiesarrow_forwardThis type of cell transport happens during secretion of hormones, neurotransmitters and digestive enzymes. Pinocytosis Phagocytosis Exocytosis O Endocytosis 0 0 0arrow_forwardWhy do you think apoptosis occurs by a different mechanism from the cell death that occurs in necrosis? What might be the consequences if apoptosis were not achieved in such a neat and orderly fashion, whereby the cell destroys itself fron within and avoids leakage of its contents into the extracellular space?arrow_forward
- which cell structure would play a role in cell migration? phospholipid bilayer peripheral protein serving as an enzyme intercellular joining between two body cells integral protein serving as a carrierarrow_forward8arrow_forwardCytokinesis is the division of a cell following mitosis, and is driven by the formation of contractile ring of actin and myosin II just beneath the plasma membrane, midway between daughter cell nuclei. true falsearrow_forward
- This type of cell transport does not require energy for the molecules to be transported. Passive Inactive Reactive Activearrow_forwardA group of cell that is found at the outer part of the cell after differentiationarrow_forwardTrue or FalseCharacteristic signs of apoptosis include membrane blebbing and DNA fragmentationarrow_forward
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