In your own words, explain why an organism would require all four of the main biomolecules. What would occur if any of these biomolecules were
missing? Are any of the biomolecules more important than the others? Is
there one that we could live without? Your answer must include content
from the atomic and molecular levels.

One group of reptiles, characterized by the fossil ark metal x

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?