Which of the following best describes a process that helps a cell maintain homeostasis without requiring energy to be used? (2 points) Channel proteins provide a passage for molecules to cross the membrane via facilitated diffusion.

Membrane carrier proteins help substances enter the cell against a concentration gradient.

Pieces of the cell membrane for vesicles circulate around extracellular materials during endocytosis.

Protons are pumped out of the cell to create a voltage across the cell membrane.

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

bru what tyep of qus is dis

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.