which membrane protein binds to actin inside the cell and to connective tissue outside of the...
which membrane protein binds to actin inside the cell and to connective tissue outside of the cell?
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Answer
Dystrophin is the protein that forms dimers which link actin filaments to transmembrane proteins of the muscle cell plasma membrane. These transmembrane proteins in turn link the cytoskeleton to the extracellular matrix, which plays an important role in maintaining cell stability.
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which membrane protein binds to actin inside the cell
and to connective tissue outside of the...
Which of the following has the most solid ground substance? Supporting connective tissue Fluid connective tissue...
Which of the following has the most solid ground substance? Supporting connective tissue Fluid connective tissue Connective tissue proper Dense regular connective tissue Which body membrane would be found lining the inside of the knee joint? Cutaneous membrane Serous membrane Synovial membrane Mucous membrane All connective tissue contains three basic components: cells, protein fibers, and ground substance. True or False Fill in the blank: Nervous tissue consists of glial cells and ________. Check all of the statements that are true...
Cofilin is a protein that binds to actin filaments and speeds up the loss of actin...
Cofilin is a protein that binds to actin filaments and speeds up the loss of actin monomers from the minus end. Why might increasing the activity of cofilin cause a crawling cell (or a motile growth cone) to increase its speed of movement?
Which of the following best describes a ligand? -a cell membrane protein that allows ions to...
Which of the following best describes a ligand? -a cell membrane protein that allows ions to cross the membrane -a transmembrane protein that binds to extracellular signaling molecules -a molecule that is covalently attached to an amino acid by an enzyme -a small molecule that binds to a protein and affects the protein\'s function
At 37 °C the equilibrium concentration of Ca2+ inside a cell is 0.098 M and outside...
At 37 °C the equilibrium concentration of Ca2+ inside a cell is 0.098 M and outside is 0.019 M. The cell membrane is permeable to Ca2+ and Cl–. The only ion present in addition to Ca2+ and Cl– is a protein (Prin+/–) inside the cell. The protein holds a single positive or negative charge. The Cl– is at equilibrium across the membrane while the protein is inside the cell and cannot permeate the membrane. What is the concentration of Prin+/–...
At 37 °C the equilibrium concentration of Ca2+ inside a cell is 0.067 M and outside...
At 37 °C the equilibrium concentration of Ca2+ inside a cell is 0.067 M and outside is 0.034 M. The cell membrane is permeable to Ca2+ and Cl–. The only ion present in addition to Ca2+ and Cl– is a protein (Prin+/–) inside the cell. The protein holds a single positive or negative charge. The Cl– is at equilibrium across the membrane while the protein is inside the cell and cannot permeate the membrane. What is the concentration of Prin+/–...
Potassium ions (K+) move across a 7.0-nm- thick cell membrane from the inside to the outside....
Potassium ions (K+) move across a 7.0-nm- thick cell membrane from the inside to the outside. The potential inside the cell is −80.0 mV, and the potential outside is zero. What is the change in the electrical potential energy Δ? electric of the potassium ions as they move across the membrane?
Q10: Cartilage is a type of: A) Supporting connective tissue B) Connective tissue proper C) Both...
Q10: Cartilage is a type of: A) Supporting connective tissue B) Connective tissue proper C) Both A & B D) Neither A nor B Q11: Peroxisomes are a type: A) Protein B) Cell C) Non-membranous organelle D) Membranous organelle Q14: What is the proper anatomical term for the upper-middle abdominopelvic region? A) Epigastric B) Inguinal C) Lumbar D) Umbilical Q13: Apocrine glands secrete by: A) Erupting their cells, which then need to be replaced by mitosis B) Erupting part of...
The concentration of Ca^2+ is greater outside a cell relative to inside. Which of the following...
The concentration of Ca^2+ is greater outside a cell relative to inside. Which of the following statements is most likely to occur? A. Ca^2+ ions would enter the cell by osmosis. B. Ca^2+ ions would enter the cell via a channel protein. C. Ca^2+ ions would enter the cell by active transport. D. Ca^2+ would move out of the cell by passive diffusion. 20. Which of the following have mitochondria? A. Bacteria. B. Animal cells. C. Plant cells. D. B...
Q49. Bone is a type of: A) Connective tissue proper B) Fluid connective tissue C) Supporting...
Q49. Bone is a type of: A) Connective tissue proper B) Fluid connective tissue C) Supporting connective tissue D) Non-calcified cartilage Q50. Dense regular tissue is a type of: A) Supporting connective tissue B) Fluid connective tissue C) Connective tissue proper D) Layer in the epidermis Q52. What type of cell in the epidermis synthesizes proteins that become nail and hair? A) Melanocytes B) Merkel cells C) Langerhans cells D) Keratinocytes Q53. Fibroblasts are: A) Fibers B) Cell junctions C)...
The sodium-calcium exchanger is a membrane protein that transports calcium to the periplasm (outside the cell),...
The sodium-calcium exchanger is a membrane protein that transports calcium to the periplasm (outside the cell), maintaining a low cellular calcium concentration. This protein is powered by sodium moving into the cell, down its concentration gradient. The sodium-calcium channel is an example of what type of protein? Uniporter Symporter Antiporter P-type ATPase None of the above
Q10: Cartilage is a type of: A) Supporting connective tissue B) Connective tissue proper C) Both A & B D) Neither A nor B Q11: Peroxisomes are a type: A) Protein B) Cell C) Non-membranous organelle D) Membranous organelle Q14: What is the proper anatomical term for the upper-middle abdominopelvic region? A) Epigastric B) Inguinal C) Lumbar D) Umbilical Q13: Apocrine glands secrete by: A) Erupting their cells, which then need to be replaced by mitosis B) Erupting part of...
The concentration of Ca^2+ is greater outside a cell relative to inside. Which of the following statements is most likely to occur? A. Ca^2+ ions would enter the cell by osmosis. B. Ca^2+ ions would enter the cell via a channel protein. C. Ca^2+ ions would enter the cell by active transport. D. Ca^2+ would move out of the cell by passive diffusion. 20. Which of the following have mitochondria? A. Bacteria. B. Animal cells. C. Plant cells. D. B...
Q49. Bone is a type of: A) Connective tissue proper B) Fluid connective tissue C) Supporting connective tissue D) Non-calcified cartilage Q50. Dense regular tissue is a type of: A) Supporting connective tissue B) Fluid connective tissue C) Connective tissue proper D) Layer in the epidermis Q52. What type of cell in the epidermis synthesizes proteins that become nail and hair? A) Melanocytes B) Merkel cells C) Langerhans cells D) Keratinocytes Q53. Fibroblasts are: A) Fibers B) Cell junctions C)...
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