Which component of the plasma membrane might allow the body to recognize cells as "self" (its...
- Carbohydrate
- Protein
- Cholesterol
- Phospholipid
Homework Answers
Answer
Option A) Carbohydrate
- Glycocalyx is a carbohydrate located on the outer aspect of the cell membrane.
- It helps in recognition of cells as "self" or "non-self".
- It also protects the body against pathogens by repelling to the electrical charge of the pathogens.
- They are also important for the immune system and may also act as receptors for chemical messengers such as hormones.
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Which component of the plasma membrane might allow the body to recognize cells as "self" (its...
The components of the plasma membrane that are unique for each individual and help the human...
The components of the plasma membrane that are unique for each individual and help the human immune system recognize foreign cells are: enzymes. amino acids. cholesterol. carbohydrate chains. Ophospholipids.
Animals exploit the phospholipid asymmetry of their plasma membrane to distinguish between live cells and dead...
Animals exploit the phospholipid asymmetry of their plasma membrane to distinguish between live cells and dead ones. When animal cells undergo a form of programmed cell death called apoptosis, phosphatidylserine-a phospholipid that is normally confined to the cytosolic monolayer of the plasma membrane-rapidly translocates to the extracellular, outer monolayer. The presence of phosphatidylserine on the cell surface serves as a signal that helps direct the rapid removal of the dead cell. How might a cell actively engineer this phospholipid redistribution?...
Question 10 Why is the plasma membrane called a 'bilayer"? There are two opposing layers of...
Question 10 Why is the plasma membrane called a 'bilayer"? There are two opposing layers of phospholipid in the membrane Thereare two opposing layers of proteins in the membrane None of the above are correct there are two opposing layers of cholesterol in the membre Question 11 Which part of a phospholipid is non polar? the oldes proteins cholesterol the photo bead Question 12 Which lilar organelle bound by a membrane? O theoBody therandosmic reticulam G L
Which of the following correctly describe(s) the normal structures and functions of the plasma membrane, described...
Which of the following correctly describe(s) the normal structures and functions of the plasma membrane, described by the fluid mosaic model? A.The type of transmembrane protein complexes that a cell has in its membrane determine which materials can be shuttled in and out of the cell if they are polar or large. B.glycoproteins contribute to the identification of cells C.the selective permeability of the plasma membrane is a function of the phospholipid bilayer D.amino acids embedded in the bilayer...
MEMBRANE STRUCTURE AND TRANSPORT ACROSS CELL MEMBRANES 1. An organelle that is characterized by extensive, folded...
MEMBRANE STRUCTURE AND TRANSPORT ACROSS CELL MEMBRANES 1. An organelle that is characterized by extensive, folded membranes and is often associated with ribosomes 2. Label the following diagram Qutsde of cel LE nside of cell 3. List 4 functions of the plasma membrane c. d. 4. Complete the table below with the role cach component of the plasma membrane plays Plasma membrane components Role in the membrane Phospholipid Bilayer Cholesterol Glycopeoteins Glycolipids Protein Receptor Site Protein channel Protein Carrier 5....
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by...
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by a rigid cell wall that protects the cell from damage. You will recall that there is no nuclear envelope in prokaryotic cells, but rather a “nucleoid region” with a single chromosome that is continuous (circular), not linear, as in eukaryotes. All of the genes required for basic survival and reproduction are found in the main chromosome. In addition to the main chromosomes, some DNA...
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Focus Figure 3.1 Animation: The Plasma Membrane Drag and drop the correct component to its labeled...
Focus Figure 3.1 Animation: The Plasma Membrane
Drag and drop the correct component to its labeled part in the diagram.
Two different membrane preparations have been created from the plasma membrane of red blood cells (1)...
Two different membrane preparations have been created from the plasma membrane of red blood cells (1) right-side-out membrane vesicles (ROVs) and (2) insideout membrane vesicles IOVs) in which the exoplasmic leaflet faces the interior of the vesicles. a. Annexin V is a protein that binds to phosphatidylserine, one of the phospholipids present in cell membranes. Fluorescently labeled annexin V is mixed with each vesicle preparation. The vesicles are washed to remove unbound annexin V and then examined by fluorescence microscopy....
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Which statements are examples of cell signaling? Thyroid hormone stimulates body cells to increase metabolic activity. Yeast cells produce and respond to mating factors to recognize mates and initiate mating. Carbon dioxide diffuses across the cell membrane into the blood plasma. After an injury, platelets produce growth factors to stimulate nearby cells to divide. Chlorophyll absorbs and transfers light energy during photosynthesis.
The components of the plasma membrane that are unique for each individual and help the human immune system recognize foreign cells are: enzymes. amino acids. cholesterol. carbohydrate chains. Ophospholipids.
Animals exploit the phospholipid asymmetry of their plasma membrane to distinguish between live cells and dead ones. When animal cells undergo a form of programmed cell death called apoptosis, phosphatidylserine-a phospholipid that is normally confined to the cytosolic monolayer of the plasma membrane-rapidly translocates to the extracellular, outer monolayer. The presence of phosphatidylserine on the cell surface serves as a signal that helps direct the rapid removal of the dead cell. How might a cell actively engineer this phospholipid redistribution?...
Question 10 Why is the plasma membrane called a 'bilayer"? There are two opposing layers of phospholipid in the membrane Thereare two opposing layers of proteins in the membrane None of the above are correct there are two opposing layers of cholesterol in the membre Question 11 Which part of a phospholipid is non polar? the oldes proteins cholesterol the photo bead Question 12 Which lilar organelle bound by a membrane? O theoBody therandosmic reticulam G L
MEMBRANE STRUCTURE AND TRANSPORT ACROSS CELL MEMBRANES 1. An organelle that is characterized by extensive, folded membranes and is often associated with ribosomes 2. Label the following diagram Qutsde of cel LE nside of cell 3. List 4 functions of the plasma membrane c. d. 4. Complete the table below with the role cach component of the plasma membrane plays Plasma membrane components Role in the membrane Phospholipid Bilayer Cholesterol Glycopeoteins Glycolipids Protein Receptor Site Protein channel Protein Carrier 5....
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by a rigid cell wall that protects the cell from damage. You will recall that there is no nuclear envelope in prokaryotic cells, but rather a “nucleoid region” with a single chromosome that is continuous (circular), not linear, as in eukaryotes. All of the genes required for basic survival and reproduction are found in the main chromosome. In addition to the main chromosomes, some DNA...
Focus Figure 3.1 Animation: The Plasma Membrane
Drag and drop the correct component to its labeled part in the diagram.
Two different membrane preparations have been created from the plasma membrane of red blood cells (1) right-side-out membrane vesicles (ROVs) and (2) insideout membrane vesicles IOVs) in which the exoplasmic leaflet faces the interior of the vesicles. a. Annexin V is a protein that binds to phosphatidylserine, one of the phospholipids present in cell membranes. Fluorescently labeled annexin V is mixed with each vesicle preparation. The vesicles are washed to remove unbound annexin V and then examined by fluorescence microscopy....
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