Answer:
B. binding of glucose causes a conformational change so that the transporter is never open on both sides of the membrane
Nervous muscle action pressure
The size of the algal size will increase or swell when a student removes an algal cell from its marine environment and puts it into a sample of freshwater.
Tonicity refers to the concentration of a solution compared to another solution. A solution is said to be hypertonic, if it has a greater concentration of solutes than the other solution. A solution is said to be hypotonic, if it has a lower concentration of solutes than the other solution. A solution is said to be isotonic, if it has the same concentration of solutes as of the other solution.
In a marine environment, the algal cells are said to be hypertonic with a higher concentration of the solutes than the freshwater. When such a cell is placed in freshwater with hypotonic environment, the concentration of solutes in the cell is higher than the external environment. In other words, it has lesser water molecules in it. As a result, osmosis occurs which is the movement of water molecules from a region of its higher concentration to a region of its lower concentration through a semipermeable membrane and water enters the cell from the freshwater. Thus, increasing the size of the algal cell or the algal cell swells.
Answer:
b. A Wood's light examination
Explanation:
A wood lamp examination is a test that uses ultraviolet light to examined a skin infected with bacteria or fungal infection.
A gamete would correctly be called a SEX CELL.
The cells from the male and female parents which combine to form zygote are called gametes. The male gamete is called sperm while the female gamete is called egg. Both sex cells combine together during fertilization to form the zygote.
