A red blood cell is in the umbilical artery of a fetus. Where will it flow next, in the proper order?

A) Umbilical vein; chorion; ductus arteriosus

B) Chorion; umbilical vein; ductus arteriosus

C) Chorion; umbilical vein; ductus venosus

D) Umbilical vein; chorion; ductus venosus

Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by

Where can you find prokaryotic and eukaryotic cells?

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service