Recent evidence has emerged linking chronic metabolic diseases to a condition known as the unfolded protein response (UPR). This response is activated during times when stressors induce a sudden and significant increase in newly synthesized proteins. Which organelle is likely the site of UPR

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

synapse nervous system

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers