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At 1 AM, a researcher places a healthy squid giant axon in a bath of normal squid physiological extracellular saline and internally perfuses the axon with normal squid intracellular saline.
Its resting potential at 1:55 AM is -70 millivolts. For this question, ignore any possible effects due to the sodium-potassium pump. At 2 AM, the researcher changes the
A. Intracellular perfusion fluid so that its concentration of potassium ion is decreased. This will cause an increase in the Nernst equilibrium potential for potassium ion.
B. Intracellular perfusion fluid so that its concentration of potassium ion is increased. This will cause a decrease in the resting membrane voltage.
C. Extracellular saline so that its concentration of potassium ion is decreased. This will cause a decrease in the Nernst equilibrium potential for potassium ion.
Describe how electro negativity can explain why a C-H bond is a no polar covalent bond, but a O-H bond is a polar covalent bond.
Systemic embolization occurs in 22 per cent to 50 per cent of cases of IE. Emboli often involve major arterial beds, including lungs, coronary arteries, spleen, bowel, and extremit
Explain about the Freezing - method of food preservation? Freezing (-18°C to - 40°C): In freezing, water in food turns into ice and makes unavailable for reactions to occur, an
Morphological Changes - Floral Induction Some of the morphological changes that accompany floral induction are: Change in the shape of meristem, Increase in the ra
MECHANISM OF REGENERATION - T.H. morgan recognised 2 primary mechanisms - M o r ph o l axis Epim orphosis 1. Production of enti
Explain the Sporangiophores features of Rhizopus? 1. Sporangiophores swell at the tip into a spherical knob like structure called sporangium. It has two zones. - Central dom
Q. Acute diarrhoea? It must be evident from the table above that acute diarrhoea generally occurs in association with infections, poisons and drugs. Chronic diarrhoea on the ot
what is a scientific name of mango?
Define the Growth Charts of Infant? Besides identifying growth faltering, growth charts also provide the following information: 1) The growth is considered normal or satisfa
Q. Concerning digestion how are poriferans characterized? Sponges are diverse from other animals since they present only intracellular digestion. Do they release digestive enzy
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