Homework Answers
Option 'A' is the correct answer.
Pumps are usually used in active transport where the transportation is against the concentration gradient and hence the process is non-spontaneous. Thus, ATP is used as an energy source whose hydrolysis can release enough energy for the pump to function properly. Requirement for any ion such as K+, or Ca+2 etc. depends on the type of pump and what they are transporting, they are not compulsory for the functioning of all the pumps in body. Pumps usually work against electro-chemical gradient or concentration gradients, not electricity. ATP is a universal requirement for the pump to function in the body.
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QUESTION 13 What do pumps require to work? ATP Electricity K+ Ca+ All of the Above...
choices for A: Na+/K+ pumps, voltage gated K+ channels, voltage gated Ca+ channels, voltage gated Na+...
choices for A: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for B: bidirectionally, unidirectionally
choices for C: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for D: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
Consider this graph illustrating the generation of an action potential across the plasma membrane of a stimulated neuron. +40 ACTION POTENTIAL plasma membrane potential...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. D. None of these answers are correct E. require proteins to facilitate transport.
39. Sodium-potassium pumps a. establish an electrochemical gradient across membranes b. require carrier proteins and energy...
39. Sodium-potassium pumps a. establish an electrochemical gradient across membranes b. require carrier proteins and energy c. accumulate potassium inside cells d. are important in signal transmission down axons e. all the above are true
39. Sodium-potassium pumps a. establish an electrochemical gradient across membranes b. require carrier proteins and energy c. accumulate potassium inside cells d. are important in signal transmission down axons e. all the above are true
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. OD. None of these answers are correct E. require proteins to facilitate transport.
1. Which of the following energy systems are anaerobie (do not require oxygen to work)? A)...
1. Which of the following energy systems are anaerobie (do not require oxygen to work)? A) Lactic acid energy system B) Oxygen energy system C) ATP-CP energy system D) Creatine phosphates energy system
#13 Phosphorylation of PDH makes the complex ______________. a) Active b)Inactive #14 Ca++ has ____________ effect...
#13 Phosphorylation of PDH makes the complex ______________. a) Active b)Inactive #14 Ca++ has ____________ effect on activity of TCA cycle enzymes. a) Positive b) Negative #15 Electron transport chain occurs in a) Matrix of mitochondria b) Outer membrane of mitochondria c) Inner membrane of mitochondria d) cytoplasm #16 According to Chemiosmotic theory _________________ drives ATP production in electron transport chain. a) Gradient of Hydrogen ions b) Gradient to ATP c) Gradient of Oxaloacetate d) Oxygen #17 Proteins of electron...
70) Repetition of the contraction cycle: A) requires the absence of ATP b) requires the presence...
70) Repetition of the contraction cycle: A) requires the absence of ATP b) requires the presence of an adequate number of Ca2+ ions requires the action of the ATPase found on actin D) both A and B E) all of the above UDUVE 70) Repetition of the contraction cycle: A) requires the absence of ATP D) requires the presence of an adequate number of Ca- ions C) requires the action of the ATPase found on actin D) both A and...
In order to transform the of ATP into _____ available to do work, the bonds of...
In order to transform the of ATP into _____ available to do work, the bonds of ATP must be broken into ADP and an available phosphate group. a) kinetic energy; potential energy b) potential energy; kinetic energy c) kinetic energy: kinetic energy d) potential energy: potential energy
answer all pls 5 Figure K 3 19. Which of the bonds in Figure K above...
answer all pls
5 Figure K 3 19. Which of the bonds in Figure K above are hydrogen bonds? A. 1 only B. 1&2 C. 2 only D. 3 only E. 4 only 20. What macromolecule is shown in Figure K above? A. A protein B. DNA C. A triglyceride D. A carbohydrate E. RNA Figure M CH3 он NH2 21. How many asymmetric carbons does the molecule in Figure M have? A. 3 B. 2 C.4 D.1 E.O 22....
gets reduced 20. glucose + ATP > glucose-6 phosphate +ADP In the above reaction, - A....
gets reduced 20. glucose + ATP > glucose-6 phosphate +ADP In the above reaction, - A. ADPIATP B. ATP/glucose C. glucose/glucose-6 phosphate D. glucose6-phosphate/glucose E. glucose/ATP 21. Which of the following is a net product of glycolysis? A. ATP B. NAD+ C. pyruvate D. CO2 E. A&C 22. Substrate-level phosphorylation occurs in the process of A. Oxidative phosphorylation B. electron transport chain C. glycolysis D. ATP-synthase function E. C&D 23. What should your hypothesis be for "Do yeast produce ethanol...
choices for A: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for B: bidirectionally, unidirectionally
choices for C: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
choices for D: Na+/K+ pumps, voltage gated K+ channels,
voltage gated Ca+ channels, voltage gated Na+ channels
Consider this graph illustrating the generation of an action potential across the plasma membrane of a stimulated neuron. +40 ACTION POTENTIAL plasma membrane potential...
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. D. None of these answers are correct E. require proteins to facilitate transport.
39. Sodium-potassium pumps a. establish an electrochemical gradient across membranes b. require carrier proteins and energy c. accumulate potassium inside cells d. are important in signal transmission down axons e. all the above are true
39. Sodium-potassium pumps a. establish an electrochemical gradient across membranes b. require carrier proteins and energy c. accumulate potassium inside cells d. are important in signal transmission down axons e. all the above are true
QUESTION 20 Both passive transport and active transport A. require solutes to be transported down their concentration gradients. B. can concentrate solutes on one side of a membrane. C. require ATP-driven protein pumps. OD. None of these answers are correct E. require proteins to facilitate transport.
1. Which of the following energy systems are anaerobie (do not require oxygen to work)? A) Lactic acid energy system B) Oxygen energy system C) ATP-CP energy system D) Creatine phosphates energy system
70) Repetition of the contraction cycle: A) requires the absence of ATP b) requires the presence of an adequate number of Ca2+ ions requires the action of the ATPase found on actin D) both A and B E) all of the above UDUVE 70) Repetition of the contraction cycle: A) requires the absence of ATP D) requires the presence of an adequate number of Ca- ions C) requires the action of the ATPase found on actin D) both A and...
In order to transform the of ATP into _____ available to do work, the bonds of ATP must be broken into ADP and an available phosphate group. a) kinetic energy; potential energy b) potential energy; kinetic energy c) kinetic energy: kinetic energy d) potential energy: potential energy
answer all pls
5 Figure K 3 19. Which of the bonds in Figure K above are hydrogen bonds? A. 1 only B. 1&2 C. 2 only D. 3 only E. 4 only 20. What macromolecule is shown in Figure K above? A. A protein B. DNA C. A triglyceride D. A carbohydrate E. RNA Figure M CH3 он NH2 21. How many asymmetric carbons does the molecule in Figure M have? A. 3 B. 2 C.4 D.1 E.O 22....
gets reduced 20. glucose + ATP > glucose-6 phosphate +ADP In the above reaction, - A. ADPIATP B. ATP/glucose C. glucose/glucose-6 phosphate D. glucose6-phosphate/glucose E. glucose/ATP 21. Which of the following is a net product of glycolysis? A. ATP B. NAD+ C. pyruvate D. CO2 E. A&C 22. Substrate-level phosphorylation occurs in the process of A. Oxidative phosphorylation B. electron transport chain C. glycolysis D. ATP-synthase function E. C&D 23. What should your hypothesis be for "Do yeast produce ethanol...
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