Answer Happy

Antiport carrier is a carrier protein that move substrates in opposite direction. An example is Na*-K+ ATPase. Select one: O a. True O b. False
Which of the statements about the regulation of the body temperature is TRUE? Select one: O a. The central thermoreceptors in the hypothalamus detect changes in skin and core temperatures. O b. The skin is the site of the thermoregulatory center that regulates the body temperature. 0 с. The posterior hypothalamus is the thermoregulatory center that regulates the body temperature in response to cold exposure (stimulus). O d. Brown fat converts chemical energy from food into ATP to increase energy. O e. Shivering by contracting the muscles would result in decreasing the body temperature.
Osmolarity is the total solute particle concentration of a solution. The abbreviation of osmolarity is osm. The unit of osmolarity is osmole/Liter. The osmole is the total solute particle and the amount depends if the solute is covalent or ionic molecule. Select one: O a. True O b. False
What is TRUE about CHANNEL proteins? Select one: O a. Channel proteins are membrane protein transporters that transport organic and inorganic molecules. O b. Open channel proteins open and close in response to signals. O C. Uniport, symport, and antiport carriers are examples of channel proteins. O d. Aquaporin channels are open channels that transport water molecules across the membrane.