What kinds of things can pass through a lipid bilayer? What things can’t?
What kinds of things can pass through a lipid bilayer? What things can’t?
Homework Answers
The lipid soluble and small uncharged molecules can pass through the lipid bilayer easily.
Fer example- gases like O2,CO2, lipids, fat soluble vitamins like A D E K, steroids
Small uncharged molecules like H2O, glycerol,urea,ethanol etc.
The large uncharged molecules and ions cannot pass .
Fer example- glucose ,sucrose, proteins, calcium ions , sodium ions, potassium ions, chloride ions, hydrogen ions etc.
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What kinds of things can pass through a lipid bilayer? What
things can’t?
Explain why H+ and Na+ ions cannot pass through lipid bilayer but they can pass through...
Explain why H+ and Na+ ions cannot pass through lipid bilayer but they can pass through biological membrane.
Which of the following substances can easily pass directly through the lipid portion of the bilayer...
Which of the following substances can easily pass directly through the lipid portion of the bilayer unassisted? Select all that apply! a. ions b. water c. steroid hormones d. gases e. large biomolecules
Order the following compounds from most permeable (will easily pass through the lipid bilayer) to least...
Order the following compounds from most permeable (will easily pass through the lipid bilayer) to least permeable (will not pass through the lipid bilayer). Water [Select] Adenine (a large polar compound) [Select] Ammonium ion [Select CO2 Select
Which of the below molecules would be expected to be membrane permeable and freely pass through a lipid bilayer? Select...
Which of the below molecules would be expected to be membrane
permeable and freely pass through a lipid bilayer?
Select all that apply
Which of the below molecules would be expected to be membrane permeable and freely pass through a lipid bilayer? Select all that apply. O=C=0 Nat NEN K+ * H-C-OH Ο Ι Ι HHHHHH
What is a lipid bilayer? Draw a schematic diagram of a lipid bilayer.
What is a lipid bilayer? Draw a schematic diagram of a lipid bilayer.
The lipid bilayer is most permeable to phosphate ions water molecules potassium ions small proteins Compared...
The lipid bilayer is most permeable to phosphate ions water molecules potassium ions small proteins Compared to water, a lipid bilayer freely allows the passage of glucose is impermeable to ions prefers negatively charged molecules is permeable to small proteins Cell membranes have only phosopholipids are formed from liposomes have proteins with different kinds of attachments none of the above
A cell membrane consists of a lipid bilayer, which is a double layer of phospholipids. Each...
A cell membrane consists of a lipid bilayer, which is a double layer of phospholipids. Each phospholipid has a hydrophilic phosphate head and a hydrophobic lipid tail. These phospholipids are not chemically bound to one another, but rather maintain their structure due to the fact that the lipid tails do not like water. They're hydrophobic^2. If they all buddy up, then they can all stay dry. (See figure.) One way to deal with this quantitatively is to realize that there...
Membrane-associated proteins can be distinguished by the types of interactions they have with the lipid bilayer...
Membrane-associated proteins can be distinguished by the types of interactions they have with the lipid bilayer and their structural motifs. Match each statement to the category of membrane-associated protein it describes.
discuss the functions of various lipid molecules. explain how a lipid bilayer forms, the functions that...
discuss the functions of various lipid molecules. explain how a lipid bilayer forms, the functions that it serves, and the variability in its structure Identify the different types of membrane proteins (integral, peripheral linked and associated) and how they associate with the lipid bilayer. identify the secondary structural features of proteins that allow them to associate with the lipid bilayer TE k Explain why a plot of velocity versus substrate concentration is curved. define reaction orders and their relationship to...
Protein folding and lipid-bilayer formation result in decreased entropy for a protein molecule and bilayer components....
Protein folding and lipid-bilayer formation result in decreased entropy for a protein molecule and bilayer components. The decrease entropy of the surrounding entropy is balanced by a large increase in the OTemperature Salt solutions Pressure Water molecules Water's ability to dissolve a wide variety of molecules is important, but more important is the hydrophobic effect, which drives the aggregation of nonpolar molecules and plays a role in the folding of proteins and formation of lipid bilayers. What forces drive the...
Order the following compounds from most permeable (will easily pass through the lipid bilayer) to least permeable (will not pass through the lipid bilayer). Water [Select] Adenine (a large polar compound) [Select] Ammonium ion [Select CO2 Select
Which of the below molecules would be expected to be membrane
permeable and freely pass through a lipid bilayer?
Select all that apply
Which of the below molecules would be expected to be membrane permeable and freely pass through a lipid bilayer? Select all that apply. O=C=0 Nat NEN K+ * H-C-OH Ο Ι Ι HHHHHH
A cell membrane consists of a lipid bilayer, which is a double layer of phospholipids. Each phospholipid has a hydrophilic phosphate head and a hydrophobic lipid tail. These phospholipids are not chemically bound to one another, but rather maintain their structure due to the fact that the lipid tails do not like water. They're hydrophobic^2. If they all buddy up, then they can all stay dry. (See figure.) One way to deal with this quantitatively is to realize that there...
Membrane-associated proteins can be distinguished by the types of interactions they have with the lipid bilayer and their structural motifs. Match each statement to the category of membrane-associated protein it describes.
discuss the functions of various lipid molecules. explain how a lipid bilayer forms, the functions that it serves, and the variability in its structure Identify the different types of membrane proteins (integral, peripheral linked and associated) and how they associate with the lipid bilayer. identify the secondary structural features of proteins that allow them to associate with the lipid bilayer TE k Explain why a plot of velocity versus substrate concentration is curved. define reaction orders and their relationship to...
Protein folding and lipid-bilayer formation result in decreased entropy for a protein molecule and bilayer components. The decrease entropy of the surrounding entropy is balanced by a large increase in the OTemperature Salt solutions Pressure Water molecules Water's ability to dissolve a wide variety of molecules is important, but more important is the hydrophobic effect, which drives the aggregation of nonpolar molecules and plays a role in the folding of proteins and formation of lipid bilayers. What forces drive the...
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