A scientist studies the formation of the protein hemoglobin. Arrange the labels to complete the steps for the formation of hemoglobin. Label 1 to 4 please. If I get it correct I will mark brainliest!


mRNA travels to a ribosome where its codons are "read"

amino acids released by tRNA form peptide bonds

DNA molecule is "unzipped" in nucleus

RNA polymerase is used to build a mRNA molecule

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.