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- Fast block to polyspermy is achieved by a. actin polymerization b. action potential c. osmosis d. membrane depolarization e. exocytosisDescribe the plasma membrane calcium pumppQLScB3CBS-8U2yQp5UAPJA-R3spS6YB8srqTGBoSwdXc_EattnA/viewform dvisor Main... My Drive - Google... Your answer What is the difference between primary active transport and secondary active transport? The sodium potassium pump * Job Listing - USF... WT Enrollment Requir... Is a symporter Can be blocked with drugs Controls intracellular chloride and potassium concentrations Is a glycolipid Breaks down ATP in order to generate energy ATP can be broken down to generate energy * True False A copy of your responses will be emailed to lc21-0506@lclark.edu. Submit Chemic Cle
- Hint: ( Ans) A plasma membrane pump Calmodulin is a protein whcalciumich plays an important role in performing variety of functions and which sense the presence of calcium.Intra cellular calcium levels are maintained by calmodulin path way.A solution of water and dissolved ions is separated by a selectively permeable membrane that allows the passage of water but not small ions. The concentration of sodium is higher on one side of the membrane than onthe other side. However, there is no net movement of water across the membrane. How is this possible?Describe two things that contribute to the resting membrane pote
- What process best characterizes Ca2+ movement from the cytosol (low Ca2+ concentration) into the endoplasmic reticulum (high Ca2+ concentration)? O Calcium movement is spontaneous O Calcium movement involves active transport O Calcium movement occurs by facilitated diffusion using a transporter protein O Calcium movement does not require energy O Calcium movement occurs by passive diffusion ACompared with the inside of the resting plasma membrane, the outside surface of the membrane isa. positively charged.b. electrically neutral.c. negatively charged.d. continuously reversing, so that it is positive one second and negative the next.e. negatively charged whenever the sodium-potassium pump isoperatingDefine syndesmosis; pl. syndesmoses
- 8. Define homeostasis. maintoining nterral balance 9. What role does the cell membrane play in maintaining homeostasis? 10. How is facilitated diffusion different from diffusion? How are they similar? 11. List two ways that active transport is different than passive transport. 1) 2) 12. Why is the sodium-potassium pump considered an active transport? Which direction are the sodium and potassium bing pumped? How many sodiums are being pumped? How many potassiums are being pumped?Which of the following actin crosslinking proteins organizes actin microfilaments in parallel files? Select all that apply. Filamin Spectrin a-actin Fimbrin << Previous mungList all the structures involved in protein production (protein synthesis) for exocytosis. Describe their function/role in this prosess.