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Why does the T cell concentration decrease after two years?
HIV destroys T-cells
What if a cell has a lower concentration outside the cell?
There are two basic ways that individual molecules can enter (or leave) a cell.1. Diffusion. This is the movement of particles from a region of high concentration to a region of low concentration. So if the concentration of the molecule is higher outside the cell it can enter by diffusion. However diffusion can only take place down a concentration gradient ie from a high to a low concentration.2. Active transport. This is the movement of particles against their concentration gradient (ie from a low to a high concentration), using energy provided by the cell (ie ATP produced by respiration). So if a molecule is at a higher concentration inside the cell it can only be absorbed by active transport.
What will the The two-point threshold do as the concentration of touch receptors Meissner's corpuscles increases and the skin area becomes more sensitive?
the two point threshold will decrease
What is the behavior of cells in isotonic solution?
An isotonic solution is one in which the ionic environment is similar to that of the cytoplasm. Hence, when a cell is placed in an isotonic solution, there is no net diffusion of water into or out of the cell. The cell remains intact.
What does steep gradient mean?
It means that there is a large difference in the concentration of a certain ion between two different locations. In cells the concentration gradient usually refers to the difference in concentration of ions inside of the cell compared to outside of the cell.
Why does the T cell concentration decrease after two years?
HIV destroys T-cells
What are two ways you can decrease the concentration of a solution?
Well, a solution is made of a solute dissolved into a solvent, so you could decrease the concentration either by adding more solvent ("watering it down") or removing some solute.
What kind of environments causes water to enter or leave the cell?
Water Movement across a cell membrane is called Osmosis. And it is dependent on the concentration of ions on each side of the cell membrane. If the concentration is higher on the inside of the cell water rushes in to dilute the ion concentration and get it to equal the outside concentration of ions and this is called hypotonic. If the concentration is higher outside the cell water will rush out of the cell to help dilute the concentration outside the cell and get the two concentrations to become equal and is called hypertonic. If the concentration is equal in both outside and inside the cell there will be no water movement and is called isotonic. Osmosis
What if a cell has a lower concentration outside the cell?
There are two basic ways that individual molecules can enter (or leave) a cell.1. Diffusion. This is the movement of particles from a region of high concentration to a region of low concentration. So if the concentration of the molecule is higher outside the cell it can enter by diffusion. However diffusion can only take place down a concentration gradient ie from a high to a low concentration.2. Active transport. This is the movement of particles against their concentration gradient (ie from a low to a high concentration), using energy provided by the cell (ie ATP produced by respiration). So if a molecule is at a higher concentration inside the cell it can only be absorbed by active transport.
How do you describe your experience?
i have an experince in petrochemical plant for two yaers and i t is a wonderfull experince
What will the The two-point threshold do as the concentration of touch receptors Meissner's corpuscles increases and the skin area becomes more sensitive?
the two point threshold will decrease
What are the two things needed for osmosis to take place?
Partially permeable membrane(visking tubing) and water
What does 2 and a half yaers old mean?
It means being alive for two years and 6 months.
How old is Chuck Yeager and what are two things he has been called over the years?
51 yaers old
What is the behavior of cells in isotonic solution?
An isotonic solution is one in which the ionic environment is similar to that of the cytoplasm. Hence, when a cell is placed in an isotonic solution, there is no net diffusion of water into or out of the cell. The cell remains intact.
How does water leave a cell when placed in salt water?
osmosis, which is diffusion of water across a membrane from an area with lower solute concentration to an area of higher solute concentration to equalize the concentration on both sides of the membrane.
Why are there jeneraly two regration lines?
regranion line is line that is use to estimate the values of items of preceding yaers
