An increase in the chemical permeability in the epidermis is due to what?
An increase in the chemical permeability in the epidermis is due to what?
Homework Answers
An increase in the chemical permeability would mean that the epidermis has been altered to allow chemicals into the body. Permeability is due to the extra space occurrin between cells. This can occur with chemical treatment.
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An increase in the chemical permeability in the epidermis is due
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nervous system worksheet 6) A sudden (increase, decrease) in Na permeability allows Na to (leave/enter) the...
nervous system worksheet
6) A sudden (increase, decrease) in Na permeability allows Na to (leave/enter) the cell making move (down, against) its concentration gradient to (hyperpolarize, depolarize, repolarize) the membrane potential. a. Increase, enter, down, depolarize b. Increase, leave, down, repolarize
You are studying the permeability on Voltage-Gated Sodium Channels involved in action potential generation. Predict what...
You are studying the permeability on Voltage-Gated Sodium Channels involved in action potential generation. Predict what would happen to the permeability of Sodium in the following cases (would it decrease, increase or stay the same?). Explain why you chose your answer. i.Increased receptor number. ii. Add a drug that make channel stay open longer. iii. Raise Vm above+35mV. iv.Lower Vm below -70mV. v.Add a drug that prevents channel opening. vi. Add more Na+ to the extracellular environment.
34. Which of the following would increase flow from a reservoir into a well? Reduction of reservoir permeability Reduction of reservoir pressure Reduction of bottom hole pressure None of the abov...
34. Which of the following would increase flow from a reservoir into a well? Reduction of reservoir permeability Reduction of reservoir pressure Reduction of bottom hole pressure None of the above a. b. c. d. 35. Which of the following describes the operation of a pump jack-sucker rod va Traveling valve is open during the up stroke Standing valve is open during the down stroke Fluid moves upward in the well during both the up stroke and the do None...
120 Permeability As w/c = 0.3 to 0.7: coefficient of 140 permeability increases by a factor...
120 Permeability As w/c = 0.3 to 0.7: coefficient of 140 permeability increases by a factor of 1000. For a concrete to be watertight, the water-cement ratio should not exceed 0.48 for exposure to fresh 60 water and should not be more than 0.44 for exposure to seawater. 100 80 Coefficient of permeability, 10-14 m/s 40 20 0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Water-cement ratio 4) If concrete is used for watertight structure like dam that is exposed...
Which of the following does NOT happen during an action potential? A. A change in permeability...
Which of the following does NOT happen during an action potential? A. A change in permeability of the membrane to sodium B. A change in permeability of the membrane to potassium C. A transient increase in the sodium current D. A sustained decrease in the potassium current E. A self-activating, self-perpetuating rise in sodium current
How thick is the epidermis, in number of cells? Its thickness is not uniform so give...
How thick is the epidermis, in number of cells? Its thickness is not uniform so give a range from minimum to maximum. 12. What kind of epithelial cells does the epidermis contain? 13. What is different about the cells that make up the outermost layer of the skin when compared to these epidermal cells? 14. Compare the structure of the dermis to the epidermis. What structures are found in the dermis? 15. What is the structure of the hypodermis like...
What is the membrane potential (Vm) if the permeability of Calcium is raised to 60? Consider...
What is the membrane potential (Vm) if the permeability of
Calcium is raised to 60?
Consider this cell. Use this information to answer the following questions. IN OUT Relative Permeability [Na+]mM 0.05 10 100 [K+]mM 1.0 [CI]mM 0.05 [Ca++]mM 0.001 0.00001 [A-]mM 105
2016 2017 Increase in Income Due to Revenue Increase in Costs Due to Direct Labor Jobs...
2016 2017 Increase in Income Due to Revenue Increase in Costs Due to Direct Labor Jobs Billed (units sold Selling Price Labor Hours Cost Per Hour Support Capacity Cost of Support Support Per Job 50 2,00030,000 24,000 27,000 36 60 168,000 180,000 2.800 3,000 40 Due to Growth Due to Growth Units Sold in 2017 Units Sold in 2016 Increase in Units Sold Selling Price in 2016 35 60 Hours in 2016 Increase in Units Sold Expected Hours in 2017...
2. (15 Pt) What is partition coefficient? What is permeability? How are they related for solute...
2. (15 Pt) What is partition coefficient? What is permeability? How are they related for solute transport across the cell membranes?
Botany Questions. need help on these 3 please 1. there's an extra thickness to the epidermis...
Botany Questions. need help on these 3 please 1. there's an extra thickness to the epidermis that faces outward on a leaf, why, why is it thicker, the epidermis cells on the surface of the leaf are thicker at top, why? 2. monocots and dicots, which is knitted and which is parallel? 3. what is the function of major and minor veins ?
nervous system worksheet
6) A sudden (increase, decrease) in Na permeability allows Na to (leave/enter) the cell making move (down, against) its concentration gradient to (hyperpolarize, depolarize, repolarize) the membrane potential. a. Increase, enter, down, depolarize b. Increase, leave, down, repolarize
34. Which of the following would increase flow from a reservoir into a well? Reduction of reservoir permeability Reduction of reservoir pressure Reduction of bottom hole pressure None of the above a. b. c. d. 35. Which of the following describes the operation of a pump jack-sucker rod va Traveling valve is open during the up stroke Standing valve is open during the down stroke Fluid moves upward in the well during both the up stroke and the do None...
120 Permeability As w/c = 0.3 to 0.7: coefficient of 140 permeability increases by a factor of 1000. For a concrete to be watertight, the water-cement ratio should not exceed 0.48 for exposure to fresh 60 water and should not be more than 0.44 for exposure to seawater. 100 80 Coefficient of permeability, 10-14 m/s 40 20 0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Water-cement ratio 4) If concrete is used for watertight structure like dam that is exposed...
What is the membrane potential (Vm) if the permeability of
Calcium is raised to 60?
Consider this cell. Use this information to answer the following questions. IN OUT Relative Permeability [Na+]mM 0.05 10 100 [K+]mM 1.0 [CI]mM 0.05 [Ca++]mM 0.001 0.00001 [A-]mM 105
2016 2017 Increase in Income Due to Revenue Increase in Costs Due to Direct Labor Jobs Billed (units sold Selling Price Labor Hours Cost Per Hour Support Capacity Cost of Support Support Per Job 50 2,00030,000 24,000 27,000 36 60 168,000 180,000 2.800 3,000 40 Due to Growth Due to Growth Units Sold in 2017 Units Sold in 2016 Increase in Units Sold Selling Price in 2016 35 60 Hours in 2016 Increase in Units Sold Expected Hours in 2017...
2. (15 Pt) What is partition coefficient? What is permeability? How are they related for solute transport across the cell membranes?
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