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

Correct

C, D, A, B

Explanation:

I took the test using the person's above answer, got 2 wrong, therefore it's C, D, A, B, instead of C, A, D, B.  

I hope this helps

cuz they cant breath

explanation:

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.