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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Apoptosis can occur in a cell when the cell is ________________. a. damaged b. no longer needed c. infected by a virus d. all of the above
A cell begins to undergo apoptosis due to stress. Which of the following are true about this cell? (select all that apply)
The cell can exit apoptosis if the stressful factor is removed
The cell has high levels of p53.
The cell's DNA will inevitably degrade
The cell may undergo mitosis before completing apoptosis
The answer is not apoptosis
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_forwardMicrovilli are commonly seen in cells involved in absorption of materials (like intestinal cells) because: none of the above they move cells forward they produce greater surface area of plasma membrane they move substances forwardarrow_forwardWhich of the following is NOT an active process by which substances cross the plasma membrane? Multiple Choice Pinocytosis Filtration Active transport Phagocytosis All of these are active processes.arrow_forward
- From a virus’s perspective, why would it be beneficial to prevent apoptosis?arrow_forwardWhich of the following is not a part of apoptosis?a. cell shrinkageb. DNA fragmentationc. the manufacture of cellsd. activation of cellular enzymesarrow_forwardWhich cell organelle is involved in apoptosis? A)Lysosome B)ER C)Golgi D)Mitochondriaarrow_forward
- Which is true for cancer cells: 1) Cell death occurs after a determined number of cell divisions 2) Contact with other cells reduces chance of cell division 3) Cell division occurs in the presence of stop signals.arrow_forwardWhich is the definition of 'retrograde' with respect to membrane trafficking? movement from the endosome to the lysosome movement from the ER to the Golgi to either the plasma membrane or the endosome/lysosome movement from the cytoplasm to the nucleus movement from the Golgi to the ERarrow_forwardCytokinesis usually, but not always, follows mitosis. If a cell completed mitosis but not cytokinesis, the result would be a cell witharrow_forward
- Describe the role of mitochondria in initiating apoptosis? Please answer the question according to the picture. please answer one short paragraph only. if you can make it in bullet points that would be great. please only short answer including points stated in the attached slide.arrow_forwardThe major function of the plasma membrane is to: define the structure of the organelles. provide genetic information for the cell. synthesize chemicals for metabolism. regulate the passage of molecules and ions.arrow_forwardA function of the lysosome is... To process energy for the cell House enzymes that break down substances Produce proteins Provide structural support to the cellarrow_forward
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