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The proton gradient or the concentration of positive hydrogen ions in the stroma versus the concentration in the lumen is important because it powers the?
generation of ATP
Which ions electrical charges oppose the direction of movement that is caused by their concentration gradient?
Any ion that is positive but has a higher concentration inside the cell or is negative and has a higher concentration outside the cell. Any ion that is positive but has a higher concentration inside the cell or is negative and has a higher concentration outside the cell.
Since atoms have charge and molecules are made of bonded atoms in a specific shape what can a high concentration of positive Hydrogen ions do to the shape of a molecule?
A high concentration of positive hydrogen ions can disrupt the shape of a molecule by altering the electrostatic interactions between the atoms. This can lead to changes in bonding patterns and overall structure, affecting the molecule's function and stability.
Which water molecule has a partial positive charge?
In a water molecule, the hydrogen atoms have a partial positive charge. This is because the oxygen atom is more electronegative than hydrogen, pulling electron density towards itself and creating a partial negative charge on the oxygen and a partial positive charge on the hydrogen atoms.
What does -log represent in the pH formula?
The -log in the pH formula represents the negative logarithm base 10 of the concentration of hydrogen ions in a solution. It is used to convert the concentration of hydrogen ions into a more manageable scale for measuring acidity or basicity.
The proton gradient or the concentration of positive hydrogen ions in the stroma versus the concentration in the lumen is important because it powers the?
generation of ATP
The proton gradient or the concentration of positive hydrogen ions in the stroma verses the concentration in the lumen is important because it powers the?
generation of ATP Ramon C.
How does the movement of protons across a membrane contribute to the establishment of an electrochemical gradient, specifically the h gradient?
The movement of protons across a membrane helps create an electrochemical gradient by separating positive and negative charges. This separation of charges, particularly with hydrogen ions (H), leads to a buildup of H on one side of the membrane, creating a concentration gradient and an electrical potential difference. This gradient can then be used by cells to generate energy or perform other important functions.
Which ions electrical charges oppose the direction of movement that is caused by their concentration gradient?
Any ion that is positive but has a higher concentration inside the cell or is negative and has a higher concentration outside the cell. Any ion that is positive but has a higher concentration inside the cell or is negative and has a higher concentration outside the cell.
What does a positive and a negative gradient look like?
A positive gradient goes uphill from left to right A negative gradient goes downhill from left to right
What is a positive gradient?
An uphill climb
When the coefficient of x is positive the line what?
Has a positive gradient (in a y=mx+c graph)
Why does increasing extracellular potassium ion cause membrane potential to change to a less negative value?
the membrane potential became less negative because less potassium ions went out of the cell (since the extra cellular space has higher concentration of potassium, and potassium goes down its concentration gradient, from high concentration to low concentration). since less potassium (K+)which is positive, left the cell more it became more positive (less negative)
How want to know that the gradient of a curve in displacement-time graph is increasing or decreasing?
If the gradient is a positive number the curve is increasing, and if the gradient is a negative number it is decreasing.
How can you tell whether the gradient of a curve is increasing or decreasing?
Differentiate the curve twice and then enter a value for x. If the answer is positive, the gradient is increasing at that point. If the answer is negative, the gradient is decreasing at that point. And if the answer is zero, the gradient is not changing.
Why are positive ions able to enter the neuron?
Positive ions can enter a neuron primarily through specialized protein channels called ion channels, which are embedded in the neuron's membrane. When these channels open, they allow ions like sodium (Na+) or calcium (Ca2+) to flow into the neuron, driven by the concentration gradient and the electrical gradient across the membrane. This influx of positive ions can lead to depolarization, which is crucial for the generation and propagation of action potentials in nerve cells.
Since atoms have charge and molecules are made of bonded atoms in a specific shape what can a high concentration of positive Hydrogen ions do to the shape of a molecule?
A high concentration of positive hydrogen ions can disrupt the shape of a molecule by altering the electrostatic interactions between the atoms. This can lead to changes in bonding patterns and overall structure, affecting the molecule's function and stability.
