Homework Answers
Ion Channels:
Channel proteins are the special arrangement of the amino acids which are embedded in the cell membrane and provides a Hydrophilic passageway for the polar substances and water.
There are two types of ion channels, they are :
1)Gated ion channels.
2)Non-gated ion channels.
Gated ion channels: These are the channels that have proteins. These proteins will remain closed until they receive the signal. These gated channels are responsible for building electric energy inside the cell.
Ex: Nerve cells will have gated ion channels.
Non-gated Ion channels: These are the channels in which the proteins remain open all the time. A very low amount of Ions and water are allowed to flow through the cell membrane by these proteins.
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3. What is the major difference between gated and non-gated ion channels? Describe and draw an...
What are similarities and differences of g couple proteins and ion gated channels?
What are similarities and differences of g couple proteins and ion gated channels?
1) Which ligand-gated ion channels does (glutamate / GABA / glycine) open? 2) How do changes...
1) Which ligand-gated ion channels does (glutamate / GABA / glycine) open? 2) How do changes in (potassium / sodium) concentration affect the resting membrane potential? 3) If (sodium / potassium / chloride) channels are locked open, the membrane potential will continue to change due to ion flow until it reaches what value? (give a numerical value)
What is the main difference between active transporters and ion channels. Include ideas about the use...
What is the main difference between active transporters and ion channels. Include ideas about the use of energy and the direction of iron movements relative to concentration gradients
describe the primary difference between consequentialist and non-consequentialist approaches to ethics. Choose one of the major...
describe the primary difference between consequentialist and non-consequentialist approaches to ethics. Choose one of the major theories associated with consequentialism: what objections might be made to this theory? Choose one of the major theories associated with non-consequentialism: what objections might be made to this theory?
1) Give definitions for electrolyte, non-electrolyte and discuss the major difference between these two compounds. Give...
1) Give definitions for electrolyte, non-electrolyte and discuss the major difference between these two compounds. Give an example for each type 2) Discuss the difference between strong electrolyte and weak electrolyte. Give examples of compounds for each type. 3) Give chemical equation that illustrates how calcium chloride dissolves in water? (For example, dissolving sodium chloride in water you may write it as: NaCl(s) --> Na+ (aq) + Cl- (aq)). 4) Classify these compounds as either strong electrolyte, weak electrolyte and...
Ion channels that switch open and close as the potential difference across the cell membrane changes...
Ion channels that switch open and close as the potential difference across the cell membrane changes are an essential component of the cell membrane. Most such channels contain a molecular ion with a significant electrical charge at their core. Suppose a protein contains a molecular ion with a charge of -12e and that this protein is embedded in a cell membrane that has a thickness of 9 nm. What are the magnitude and direction of electric force on the ion...
Question 9 (6 marks) Question 9.1 (3 marks) What is the difference between maskable and non-maskable...
Question 9 (6 marks) Question 9.1 (3 marks) What is the difference between maskable and non-maskable interrupts? Question 9.2 (3 marks) Give an example of a situation when it would be preferable to use a maskable interrupt.
1. What is the difference between a Bearing Wall and Non Bearing Wall? Draw an example...
1. What is the difference between a Bearing Wall and Non Bearing Wall? Draw an example of each 2. What are the components that are considered "Dead Load" on a building?
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop....
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop. b) (5 marks) A gated SR latch has the following schematic diagram CLK a) Draw a timing diagram showing the Q and Q outputs for the following sequence of inputs: CLK R Assume that the initial state of the outputs is Q 0 and Q 1 c) (5 marks) Draw a schematic diagram for a rising edge-triggered master-slave D flip- flop built using two...
In your own words, describe the primary difference between consequentialist and non-consequentialist approaches to ethics. Choose...
In your own words, describe the primary difference between consequentialist and non-consequentialist approaches to ethics. Choose one of the major theories associated with consequentialism: what objections might be made to this theory? Choose one of the major theories associated with non-consequentialism: what objections might be made to this theory?
1) Give definitions for electrolyte, non-electrolyte and discuss the major difference between these two compounds. Give an example for each type 2) Discuss the difference between strong electrolyte and weak electrolyte. Give examples of compounds for each type. 3) Give chemical equation that illustrates how calcium chloride dissolves in water? (For example, dissolving sodium chloride in water you may write it as: NaCl(s) --> Na+ (aq) + Cl- (aq)). 4) Classify these compounds as either strong electrolyte, weak electrolyte and...
Question 9 (6 marks) Question 9.1 (3 marks) What is the difference between maskable and non-maskable interrupts? Question 9.2 (3 marks) Give an example of a situation when it would be preferable to use a maskable interrupt.
1. What is the difference between a Bearing Wall and Non Bearing Wall? Draw an example of each 2. What are the components that are considered "Dead Load" on a building?
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop. b) (5 marks) A gated SR latch has the following schematic diagram CLK a) Draw a timing diagram showing the Q and Q outputs for the following sequence of inputs: CLK R Assume that the initial state of the outputs is Q 0 and Q 1 c) (5 marks) Draw a schematic diagram for a rising edge-triggered master-slave D flip- flop built using two...
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