Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 4, Problem 24RQ
Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?
- The death molecule is passed through desmosomes
- The death molecule is passed through plasmodesmata
- The death molecule disrupts the extracellular matrix
- The death molecule passes through gap junctions.
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Chapter 4 Solutions
Biology 2e
Ch. 4 - Figure 4.7 Prokaryotic cells are much smaller than...Ch. 4 - Figure 4.8 If the nucleolus were not able to carry...Ch. 4 - Figure 4.18 If a peripheral membrane protein were...Ch. 4 - When viewing a specimen through a light...Ch. 4 - The is the basic unit of life organism cell tissue...Ch. 4 - Prokaryotes depend on to obtain some materials and...Ch. 4 - Bacteria that lack fimbriae are less likely to...Ch. 4 - Which of the following organisms is a prokaryote?...Ch. 4 - Which of the following is surrounded by two...Ch. 4 - Peroxisomes got their name because hydrogen...
Ch. 4 - In plant cells, the function of the lysosomes is...Ch. 4 - Which of the following is both in eukaryotic and...Ch. 4 - Tay-Sachs disease is a genetic disorder that...Ch. 4 - Which of the following is not a component of the...Ch. 4 - The process by which a cell engulfs a foreign...Ch. 4 - Which of the following is most likely to have the...Ch. 4 - Which of the following sequences correctly lists...Ch. 4 - Congenital disorders of glycosylation are a...Ch. 4 - Which of the following have the ability to...Ch. 4 - Which of the following do not play a role in...Ch. 4 - In humans, are used to move a cell within its...Ch. 4 - Which of the following are only in plant cells?...Ch. 4 - The key components of desmosomes are cadherins...Ch. 4 - Diseased animal cells may produce molecules that...Ch. 4 - In your everyday life, you have probably noticed...Ch. 4 - In what situation(s) would the use of a scanning...Ch. 4 - In what situation(s) would a transmission electron...Ch. 4 - What are the advantages and disadvantages of each...Ch. 4 - Explain how the formation of an adult human...Ch. 4 - Antibiotics are medicines that are used to fight...Ch. 4 - Explain why not all microbes are harmful.Ch. 4 - You already know that ribosomes are abundant in...Ch. 4 - What are the structural and functional...Ch. 4 - Why are plasma membranes arranged as a bilayer...Ch. 4 - In the context of cell biology, what do we mean by...Ch. 4 - In your opinion, is the nuclear membrane part of...Ch. 4 - What are the similarities and differences between...Ch. 4 - How do cilia and flagella differ?Ch. 4 - Describe how microfilaments and microtubules are...Ch. 4 - Compare and contrast the boundaries that plant,...Ch. 4 - How does the structure of a plasmodesma differ...Ch. 4 - Explain how the extracellular matrix functions.Ch. 4 - Pathogenic E. coil have recently been shown to...
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- Microvilli 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_forwardWhat happens when a wound needs to be filled in? LDL is released and causes cell division to fill the wound p53 causes degradation of cyclin which leads to to filling in the wound The primary cilia don't reorient toward the wound. PDGF is released and encourages cell division to fill the woundarrow_forwardThe function of the plasmodesmata is to provide communication channels for neighboring animal cells to exchange nutrients and ions. True Falsearrow_forward
- Match each of the following cellular structures with the one function that best describes it. Site where the cell first makes contact with a virus Composed of microtubules, intermediate filaments, and microfilaments Site of cellular respiration, which generates ATP Organelle that "reads" RNA to create a protein from amino acids Site where proteins are modified into glycoproteins Site where proteins complete their modifications and are transported to other locations, inside or outside the cell General membrane-bound transport structure A vesicle involved in the process of endocytosis that becomes increasingly acidic Contains enzymes for intracellular digestion of malfunctioning organelles or ingested pathogens Location of genetic material 1. ribosome 2. nucleus 3. lysosome 4. 5. 6. Golgi complex 8. rough ER mitochondrion 7. vesicle cytoskeleton 9. plasma membrane 10. endosomearrow_forwardWhat is the purpose of having drugs that are not selectively toxic such as those that breakdown the plasma membrane of a cell and why would a doctor choose to prescribe that type of medication?arrow_forwardA normal, healthy cell is in contact with many other cells. Using this information alone, which of the following are likely true? (select all that apply) The cell has low levels of MPF The cell is in S phase The cell is in G2 phase The cell is not dividingarrow_forward
- 12) Match the cell-cell junction on the left with the appropriate function on the right. Note that more than one letter may apply for a particular function and that each letter may be used more than once or not at all. A) Gap junctions provides a very strong attachment point between cells B) Desmosomes allow easy movement of large amounts of substances between adjacent cells C) Plasmodesmata seals the plasma membranes of adjacent cells together, preventing the movement of molecules between them D) Tight junctionsarrow_forwardphagocytosis is where a cell envelopes larger particles using its cellular membrane. Ture or falsearrow_forwardMatch the cell organelle with its function. Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. Cell membrane Cell wall Nucleus Cytoplasm Mitochondria Chloroplast Vacuole Storage Control center Shape and protection in plant cell Liquid that fills cell Powerhouse of the cell Location of photosynthesis Controls what goes in and out of the cellarrow_forward
- Which of the statements regarding plasmodesmata is true? They are channels, located in the plasma membrane of plant cells and made of transmembrane proteins, that allow ions and small molecules to pass between adjacent cells. O They are holes in the cell wall through which the plasma membrane and endoplasmic reticulum of adjacent cells are connected. They are channels, located in the plasma membrane of animal cells and made of transmembrane proteins, that allow ions and small molecules to pass between adjacent cells. They provide points of structural support between adjacent plant cells. They provide points of structural support between adjacent animal cells.arrow_forwardEach of the major cell-cell attachments has a unique purpose. Can you match each purpose listed below with the correct type of cell-cell attachment it is associated with? Sort each purpose to the appropriate bin. Reset Help Provides cell-cell adhesion and helps form continuous zones of attachment between cells Allows for interactions with the Responsible for the exchange of ions and small molecules between cells extracellular matrix, and provides the mechanical strength of skin Prevents fluids, molecules, and ions from crossing the monolayer through the intercellular space Gives tissues structural integrity, enabling cells to function as a unit and resist stress Tight junctions Adherens junctions Gap junctions Desmosomes Hemidesmosomes Submit Request Answerarrow_forwardIn this diagram, what is represented by the red dots in the drawings of cells at different time points? Rough ER Golgi apparatus Secretory vesicles t = 0 t = 37 t =117 all of the proteins present in the cells all of the proteins that are secreted by the cells all of the unlabeled proteins that are secreted by the cells all of the labeled proteins present in the cellsarrow_forward
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