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What principal is the positive charge icon inside the body cells?
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Do sodium potassium ATPase pump causes positive charge to accumulate inside cells?
no- the outside of the cell becomes positively charge while the inside of the cell will become negitvely charged
Do gram-positive cells carry a net positive charge?
Gram-positive does not refer to a positive charge, but to the purple color of the stain. Gram-negative bacteria do not retain the purple dye and are instead red in color.
Influx of Na plus till 70mV?
The electrical potential difference across a cell membrane (the resting potential) is around -65 mV, inside negative. In nerve cells (neurones) or muscle cells this potential difference is reversed during an action potential. Sodium (Na+) channels open and Na+ ions enter the cell down their concentration gradient. This entry of positive charge depolarises the membrane ie it cancels out the resting pootential and then reverses it, so the potential becomes positive inside and negative outside, giving a potential of about +50mV.
Would you find protein inside cells or cells inside proteins?
Proteins are found in cells. Proteins are a macromolecule.
Are yeast cells gram positive or gram negative?
positive
Do solar energy panels have positive and negative charges?
Yes, when the sun hits the cells inside the panels they have a positive and negative charge
Do sodium potassium ATPase pump causes positive charge to accumulate inside cells?
no- the outside of the cell becomes positively charge while the inside of the cell will become negitvely charged
Do gram-positive cells carry a net positive charge?
Gram-positive does not refer to a positive charge, but to the purple color of the stain. Gram-negative bacteria do not retain the purple dye and are instead red in color.
What is the positive inside rule?
The positive inside rule is a general rule for membrane proteins. Because of the mechanism involved in transmembrane domain insertion (regions of the protein which cross the membrane), membrane proteins tend to have more residues which can take on a positive charge on the inside of their cells. So, almost all, if not all membrane proteins have more solvent exposed Lysine and Arginine residues on the sides of the transmembrane domains which rest inside of the cell in comparison to the number which rest on the outside of the cell.
What is the major positive ion outside of cells?
Sodium is the major positive ion outside the cell. Potassium is the major positive ion inside the cell.
Explain why crystal violet would not be useful in the negative stain technique?
Negative staining techniques are designed to stain everything BUT the bacterial cells. This allows us to see the cells unstained and helps us observe their morphology (how the cells are shaped and how they group together). The cells have an overall negative charge on their surface, so they naturally attract positive charges. Crystal Violet carries a positive charge, so it would adhere to the surfaces of the cells thus staining the cells (which is not what you want in a negative stain!)
Influx of Na plus till 70mV?
The electrical potential difference across a cell membrane (the resting potential) is around -65 mV, inside negative. In nerve cells (neurones) or muscle cells this potential difference is reversed during an action potential. Sodium (Na+) channels open and Na+ ions enter the cell down their concentration gradient. This entry of positive charge depolarises the membrane ie it cancels out the resting pootential and then reverses it, so the potential becomes positive inside and negative outside, giving a potential of about +50mV.
Would you find protein inside cells or cells inside proteins?
Proteins are found in cells. Proteins are a macromolecule.
Would you find proteins inside cells or cells inside proteins?
Proteins are found in cells. Proteins are a macromolecule.
Would you find protein inside cells or cells inside protein?
Proteins are found in cells. Proteins are a macromolecule.
Are yeast cells gram positive or gram negative?
positive
What is the thingy called inside the cells of a animal?
There are many organelles inside animal cells.
