Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 6.2, Problem 2R
Summary Introduction
To review:
The three types of cell junctions those are most similar to plasmodesmata.
Introduction:
The plasmodesmata are the specialized junction, through which the plant cells that help in the direct cytoplasmic exchange between the cells. They are basically microscopic channels, which aid in traversing the cell walls of the plant cells. This helps in communication and transportation between the two cells.
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How are plasmodesmata and gap junctions similar? How are they dissimilar? Would you expect a moderately sized protein to pass through a plasmodesma
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Chapter 6 Solutions
Life: The Science of Biology
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- Why is it advantageous for the cell membrane to be fluid in nature?arrow_forwardWhich plasma membrane component can be either found on its surface or embedded in the membrane structure? a. protein b. cholesterol c. carbohydrate d. phospholipidarrow_forwardNo animal cell has a ______. a. plasma membrane b. flagellum c. lysosome d. cell wallarrow_forward
- Assign a function(s) to the following cellular structures: a. plasma membrane b. mitochondrion c. nucleus d. ribosomearrow_forward. what are two structural characteristics of cell membrane determine whether substances can pass through them passively? What determines whether or not a substance can be actively transported through the membrane?arrow_forwardMost adjacent plant cells are connected by plasmodesmata, whereas only certain adjacent animal cells are connected through gap junctions. What might account for this difference?arrow_forward
- Why is it unnecessary for our cells to have a cell wall? What might happen if the lysosomes inside a cell stopped working properly?arrow_forwardName four types of cell-to-cell junctions, and describe the function of each. Which are found in plants and which in animals?arrow_forwardCells are anchored to the extracellular matrix by two main structures. What are they, what are their major components, and how do they anchor the cell?arrow_forward
- What is the functional difference between cilia and flagella?arrow_forwardCan you compare the structures and functions of tight junctions, anchoring junctions, and gap junctions?arrow_forwardWhich type(s) of cell junction prevent(s) substances from moving through the space between cells? Which type(s) of cell junction attach(es) cells to one another?arrow_forward
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