Answer:
a thing or event that evokes a specific functional reaction in an organ or tissue.
Explanation:
I believe that Patty appears to suffer from Aneroxia Nervosa. This is an eating disorder characterized by persistent energy intake restriction, intense fear of gaining weight and disturbances in self perceived weight or shape like with Patty.This sometimes happens when some people are restricting their food and weight as a way of controlling areas of life that feel out of their control and their body image.
Answer:
The mechanisms of transport across the cell membrane are as follow: 1- simple diffusion, 2- facilitated diffusion, 3- primary active transport and 4-secondary active transport
Explanation:
The cell membrane is a selectively permeable structure capable of transporting substances by different mechanisms. Simple diffusion is a type of passive transport (i.e. does not require energy) where non-polar molecules (e.g. O2, CO2) pass across the membrane by a process that does not require energy from the cell. Facilitated diffusion is another type of passive transport where larger polar molecules (e.g., glucose and amino acids) pass across the membrane by using specific transmembrane integral proteins. On the other hand, primary active transport is a type of active transport that uses chemical energy (e.g., ATP) to move substances such as metal ions (Na+, K+, Ca2+) across the cell membrane against their concentration gradient. Finally, secondary active transport is another type of active transport where transporter proteins are used to couple the movement of ions (e.g., H+ protons) down their electrochemical gradient to the transport of another ions/solutes against their concentration/ electrochemical gradient.
Answer:
they are structural , transport, antibodies,storage,contractile protien.
