Homework Answers
A - sphingolipid.(4)
B - Peripheral protein covalently linked to a lipid.(5)
C - Peripheral protein covalently linked to a lipid.(5)
D - phospholipid or phospholipid head(2)
E - integral protein
F - sterol (6)
G - phospholipid or phospholipid head(2)
H - GPI anchored protein (1)
I - glycolipid (3)
J - glycolipid (3)
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Match the component of the membrane to the correct letter on the image. Outside H -...
Match the descriptions with the correct membrane component Only spans one leaflet of the membrane Protein...
Match the descriptions with the correct membrane component Only spans one leaflet of the membrane Protein Phospholipid Can span both leaflets of a membrane Can anchor to the cytoskeleton inside the cell Small and amphipathic Can be attached to the surface of a membrane
Match the following: Integral (intrinsic) membrane proteins Transmembrane protein Porins C-- Lipid-linked proteins Peri...
Match the following: Integral (intrinsic) membrane proteins Transmembrane protein Porins C-- Lipid-linked proteins Peripheral (extrinsic) proteins 1. Channel-forming proteins found in the outer membranes of bacteria, with a beta-barrel motif. 2. Proteins that are associated with membranes, but can be dissociated by relatively mild procedures. 3. Proteins that completely span the membrane. 4. A general class of proteins that are tightly bound to membranes by hydrophobic interactions. 5. Membrane-associated proteins that have covalently-bonded lipids.
1- The cytoplasmic side of the plasma membrane’s lipid bilayer have high concentrations of (CHOOSE THREE):...
1- The cytoplasmic side of the plasma membrane’s lipid bilayer have high concentrations of (CHOOSE THREE): a. Sphingomyelin b. Phosphatidylethanolamine c. Phosphatidylcholine d. Phosphatidylinositol e. Phosphatidylserine f. Glycolipid 2- Which of the following characteristics DOES NOT keep proteins secured to the plasma membrane? a. Transmembrane domains in the protein b. Glycosylphosphatidylinositol (GPI) anchors c. Fatty acid lipids covalently attached to the protein d. Sugar molecules covalently attached to the protein e. Associations with lipid rafts 3- Which of the following...
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...
Double layer (bilayer) of phospholipid molecules Transmembrane Phospholipid bilayer protein Integral proteins Peripheral proteins Cytoplasmic side...
Double layer (bilayer) of phospholipid molecules Transmembrane Phospholipid bilayer protein Integral proteins Peripheral proteins Cytoplasmic side of membrane Cholesterol molecules Hydrophobic fatty acid "tail" Hydrophilic phosphate "head Figure 3-2 Structures of the Cell Membrane Questions 4. Match the cellular components in column A with the descriptions in column B. Place the letter of your choice in the space provided. Column A a. Chromatin b. Cytoplasm c. Endoplasmic reticulum d. Golgi apparatus e. Lysosome f. Microtubule g. Mitochondrion h. Nuclear envelope...
Discard the answers I chose Match the following scenarios with the most specific type of transport...
Discard the answers I chose
Match the following scenarios with the most specific type of transport used. Some choices may be used more than once. A A white blood cell enguits a bacterial cell A A paramecium swims close to some debris, wraps its membrane around the debris, and pulsit inside, creating a food Vacuole D. An amoeba wraps its cell membrane around a region of dissolved nutrients in water and pulls it inward, making a small vacuole A Phagocytosis...
Question 1 The protein in the diagram is (circle all that apply): Group of answer choices...
Question 1
The protein in the diagram is (circle all that apply):
Group of answer choices
a) a peripheral membrane protein
b) an integral membrane protein
c) a lipid anchored protein
Question 2
The protein shown in the diagram could potentially function as
(circle all that apply):
Group of answer choices
a) a receptor
b) a transmembrane anchor
c) a pore or channel
Question 3
The protein shown in the diagram has which of the following
(choose all that apply)?...
2. Match the phase to the description. NOTE: this question might look a little different on...
2. Match the phase to the description. NOTE: this question might look a little different on the Moodle activity. Read carefully. Phase Hanne Description of Events in the Life of a Cell • Anaphase of muitosis A. The combined phases of GI/Go+S+G2 • Gl phase • G2 phase B. The cell is metabolically active; the cell duplicates argumelles and cytosolie components; the cell size starts to increase the cell makes proteins which will soon be used in DNA synthesis C....
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question....
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 00 OA Figure 2.1 Using Figure 2.1, match the following: 1) Tertiary (protein) structure, 2) Monosaccharide 3) Nucleotide 4) Lipid 5) Functional protein 6) Polymer 7) Polysaccharide TRUE FALSE. Write T if the statement is true and F if the statement is false, 8) Final preparation for cell division is made during the cell life cycle subphase called G2. SHORT ANSWER. Write the word...
change pas channels in the volta t ive protein to change shape. This A of the...
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
Match the descriptions with the correct membrane component Only spans one leaflet of the membrane Protein Phospholipid Can span both leaflets of a membrane Can anchor to the cytoskeleton inside the cell Small and amphipathic Can be attached to the surface of a membrane
Match the following: Integral (intrinsic) membrane proteins Transmembrane protein Porins C-- Lipid-linked proteins Peripheral (extrinsic) proteins 1. Channel-forming proteins found in the outer membranes of bacteria, with a beta-barrel motif. 2. Proteins that are associated with membranes, but can be dissociated by relatively mild procedures. 3. Proteins that completely span the membrane. 4. A general class of proteins that are tightly bound to membranes by hydrophobic interactions. 5. Membrane-associated proteins that have covalently-bonded lipids.
Double layer (bilayer) of phospholipid molecules Transmembrane Phospholipid bilayer protein Integral proteins Peripheral proteins Cytoplasmic side of membrane Cholesterol molecules Hydrophobic fatty acid "tail" Hydrophilic phosphate "head Figure 3-2 Structures of the Cell Membrane Questions 4. Match the cellular components in column A with the descriptions in column B. Place the letter of your choice in the space provided. Column A a. Chromatin b. Cytoplasm c. Endoplasmic reticulum d. Golgi apparatus e. Lysosome f. Microtubule g. Mitochondrion h. Nuclear envelope...
Discard the answers I chose
Match the following scenarios with the most specific type of transport used. Some choices may be used more than once. A A white blood cell enguits a bacterial cell A A paramecium swims close to some debris, wraps its membrane around the debris, and pulsit inside, creating a food Vacuole D. An amoeba wraps its cell membrane around a region of dissolved nutrients in water and pulls it inward, making a small vacuole A Phagocytosis...
Question 1
The protein in the diagram is (circle all that apply):
Group of answer choices
a) a peripheral membrane protein
b) an integral membrane protein
c) a lipid anchored protein
Question 2
The protein shown in the diagram could potentially function as
(circle all that apply):
Group of answer choices
a) a receptor
b) a transmembrane anchor
c) a pore or channel
Question 3
The protein shown in the diagram has which of the following
(choose all that apply)?...
2. Match the phase to the description. NOTE: this question might look a little different on the Moodle activity. Read carefully. Phase Hanne Description of Events in the Life of a Cell • Anaphase of muitosis A. The combined phases of GI/Go+S+G2 • Gl phase • G2 phase B. The cell is metabolically active; the cell duplicates argumelles and cytosolie components; the cell size starts to increase the cell makes proteins which will soon be used in DNA synthesis C....
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 00 OA Figure 2.1 Using Figure 2.1, match the following: 1) Tertiary (protein) structure, 2) Monosaccharide 3) Nucleotide 4) Lipid 5) Functional protein 6) Polymer 7) Polysaccharide TRUE FALSE. Write T if the statement is true and F if the statement is false, 8) Final preparation for cell division is made during the cell life cycle subphase called G2. SHORT ANSWER. Write the word...
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
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