Chemistry, 07.11.2019 00:31, MathChic68
Ions move in the direction opposite to that favored by the chemical concentration gradient when
a. potassium ions exit the neuron during the repolarization phase of an action potential
b. they are pumped by proteins that require atp hydrolysis and when the electrical charge gradient repulses or attracts them
c. simple diffusion operates after active transport has been permanently halted by being poisoned proteins leak out of a neuron
d. sodium ions enter a neuron during the depolarization phase of an action potential
Answers: 3
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Arecipe calls for 1.2 cups of oil. how many liters of oil is this?
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Chemistry, 22.06.2019 13:30, citlalli30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
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Chemistry, 22.06.2019 17:20, banna01man
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
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Chemistry, 23.06.2019 01:00, breemills9552
What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
Answers: 1
Ions move in the direction opposite to that favored by the chemical concentration gradient when
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