All amino acids have a central carbon with four components attached to it. one of these components is called the r-group. which of the following best describes the r-group.

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.

What is true of metabolism in its entirety in all organisms?

Which of the following describes research that would be considered basic science? a. a farmer is trying to improve his crop yields by using a new kind of fertilizer. b. a college students is curious about the growth of desert pants in the presence of excess amounts of water. c. government officials are trying to prevent the spread of new strain of influenza virus. d. a doctor is trying to determine why a patient is feeling tried and sick.b.a college students is curious about the growth of desert pants in the presence of excess amount of water