Homework Answers
PROTEIN
- can span both leaflets of a membrane (long chain of amino acids that can span through the entire length of membrane - transmembrane proteins)
- can anchor to the cytoskeleton inside the cell
- an be attached to the surface of a membrane (when attached on surface are called peripheral proteins)
PHOSPHOLIPID
- only spans one leaflet of the membrane
- small and amphipathic (have hydrophilic glycerol part and hydrophobic fatty acid chain part and so amphiphilc)
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Match the descriptions with the correct membrane component Only spans one leaflet of the membrane Protein...
Match the properties described with one of the four components of a membrane. Interior protein network...
Match the properties described with one of the four components of a membrane. Interior protein network Phospholipid bilayer Can span both layers of a membrane Often carbohydrate attached to lipid or protein Helps determine the overall shape of a cell Can form channels to allow small molecules to cross membranes Transmembrane protein Cell surface marker Forms a semipermeable barrier Can allow diffusion of gases Reset
Match the component of the membrane to the correct letter on the image. Outside H -...
Match the component of the membrane to the correct letter on the image. Outside H - 8 G WMMWMV F Inside D с B E А A B 1. GIP anchored protein 2. Phospholipid or phospholipid head c D CE 3. glycolipid 4. Sphingolipid 5. Peripheral protein covalently linked to a lipid F H 6. sterol
Please answer as many as you can. Will rate!! Across 4. Type of protein that spans...
Please answer as many as you can. Will
rate!!
Across
4. Type of protein that spans the entire
membrane
5. One of the amino acid residues used to form
O-linked glycoproteins.
7. Newly synthesized phospholipids are
inserted into the _____ side of the smooth ER membrane.
8. Type of bond used to link membrane proteins
to a membrane lipid
10. One of the sugars that can be added to
phosphatidylinositol to make glycosylphosphatidylinosiol
12. Enzyme that joins fatty acids and...
IVOUCI 2 - ine selectively l'ermeable Cell Membrane == Small rapelurer le molecule. TOOO Ch ....
IVOUCI 2 - ine selectively l'ermeable Cell Membrane == Small rapelurer le molecule. TOOO Ch . Smail surface poliso Inside the cell Membrane spanning protein Carbohydrae chain Glycopied 190911 COIN Toolloool18 .. Outside the cell 7. What two major types of biological molecules compose the majority of the cell membrane in Model 27 - The two major biomoleculo of plasma membrats are lipids and proteins 8. How many different protein molecules are found in Model 22 Cat Two typs of...
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....
Which of these statements about the composition of membranes is true?
Which of these statements about the composition of membranes is true?A) All biological membranes contain cholesterol.B) Free fatty acids are major components of all membranes. C) The inner and outer membranes of mitochondria have different protein compositions.D) The lipid composition of all membranes of eukaryotic cells is essentially the same.E) The lipid: protein ratio varies from about 1: 4 to 4: 1Membrane proteins:A) ere sometimes covalently attached to lipid moieties:B) are sometimes covalently attached to carbohydrate moieties.C) are composed of...
1. (5 pts) Complete the following: a) An integral membrane protein that interacts with just one...
1. (5 pts) Complete the following: a) An integral membrane protein that interacts with just one leaflet of the bilayer is referred to as is the main storage polysaccharide of plant cells. c) If AG is positive a reaction is said to be d) In sphingolipids, the fatty acid is connected to the backbone via linkage. e) is the set of metabolic pathways (including glycolysis) that breaks down molecules into smaller units. is the prosthetic group in E2 that facilitates...
I need help with number 3 Phospholipids. Thank you 1. What type of bonding is present...
I need help with number 3 Phospholipids. Thank you
1. What type of bonding is present in phospholipids-ionic or covalent? Explain! You will notice there are several double bonds contained in a phospholipid. What is a double bond and how does it influence the shape of a molecule"? 2. Phospholipids are said to be amphipathic-that is they have one region that is polar and another that is nonpolar. The end containing the phosphorous and nitrogen is the polar end. Can...
_____membranes proteins are associated with the bilayer through interactions with other membrane component on the surface...
_____membranes proteins are associated with the bilayer through interactions with other membrane component on the surface of the membrane. Net movement of particles from a region where they are more concentrated to a region where they are law concentrated is called Diffusion of water through a selectively permeable membrane down its own concentration gradient It called A solution with an equivalent concentration of water and hence the tame osmotic pressure as the fluid inside the cell is said to be...
Protein kinases can A) Inactivate enzymes by dephosphorylating them B) Activate enzymes by phosphorylating them C)...
Protein kinases can A) Inactivate enzymes by dephosphorylating them B) Activate enzymes by phosphorylating them C) Cleave proteins after Tyr, Ser, or Thr residues D) Contain a catalytic triad to cut peptide bonds Peanut oil contains a high percentage of monounsaturated fatty acids whereas vegetable oil contains a high percentage of polyunsaturated fatty acids. During a cold spell, the peanut oil freezes whereas the vegetable oil remains liquid. Explain why. Predict which one of the following organisms will have the...
Match the properties described with one of the four components of a membrane. Interior protein network Phospholipid bilayer Can span both layers of a membrane Often carbohydrate attached to lipid or protein Helps determine the overall shape of a cell Can form channels to allow small molecules to cross membranes Transmembrane protein Cell surface marker Forms a semipermeable barrier Can allow diffusion of gases Reset
Match the component of the membrane to the correct letter on the image. Outside H - 8 G WMMWMV F Inside D с B E А A B 1. GIP anchored protein 2. Phospholipid or phospholipid head c D CE 3. glycolipid 4. Sphingolipid 5. Peripheral protein covalently linked to a lipid F H 6. sterol
Please answer as many as you can. Will
rate!!
Across
4. Type of protein that spans the entire
membrane
5. One of the amino acid residues used to form
O-linked glycoproteins.
7. Newly synthesized phospholipids are
inserted into the _____ side of the smooth ER membrane.
8. Type of bond used to link membrane proteins
to a membrane lipid
10. One of the sugars that can be added to
phosphatidylinositol to make glycosylphosphatidylinosiol
12. Enzyme that joins fatty acids and...
IVOUCI 2 - ine selectively l'ermeable Cell Membrane == Small rapelurer le molecule. TOOO Ch . Smail surface poliso Inside the cell Membrane spanning protein Carbohydrae chain Glycopied 190911 COIN Toolloool18 .. Outside the cell 7. What two major types of biological molecules compose the majority of the cell membrane in Model 27 - The two major biomoleculo of plasma membrats are lipids and proteins 8. How many different protein molecules are found in Model 22 Cat Two typs of...
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....
1. (5 pts) Complete the following: a) An integral membrane protein that interacts with just one leaflet of the bilayer is referred to as is the main storage polysaccharide of plant cells. c) If AG is positive a reaction is said to be d) In sphingolipids, the fatty acid is connected to the backbone via linkage. e) is the set of metabolic pathways (including glycolysis) that breaks down molecules into smaller units. is the prosthetic group in E2 that facilitates...
I need help with number 3 Phospholipids. Thank you
1. What type of bonding is present in phospholipids-ionic or covalent? Explain! You will notice there are several double bonds contained in a phospholipid. What is a double bond and how does it influence the shape of a molecule"? 2. Phospholipids are said to be amphipathic-that is they have one region that is polar and another that is nonpolar. The end containing the phosphorous and nitrogen is the polar end. Can...
_____membranes proteins are associated with the bilayer through interactions with other membrane component on the surface of the membrane. Net movement of particles from a region where they are more concentrated to a region where they are law concentrated is called Diffusion of water through a selectively permeable membrane down its own concentration gradient It called A solution with an equivalent concentration of water and hence the tame osmotic pressure as the fluid inside the cell is said to be...
Protein kinases can A) Inactivate enzymes by dephosphorylating them B) Activate enzymes by phosphorylating them C) Cleave proteins after Tyr, Ser, or Thr residues D) Contain a catalytic triad to cut peptide bonds Peanut oil contains a high percentage of monounsaturated fatty acids whereas vegetable oil contains a high percentage of polyunsaturated fatty acids. During a cold spell, the peanut oil freezes whereas the vegetable oil remains liquid. Explain why. Predict which one of the following organisms will have the...
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