Which four elements are the primary components of important biological molecules, such as proteins, carbohydrates, and lipids?

Order the steps of protein synthesis. amino acids are lined up in a sequence. rna is modified into mrna. dna is transcribed. a ribosome binds to mrna. chemical bonds are formed and a protein is produced.

Which blood cell spend most of their time in the lymphatic system?

Describe two recent or ongoing space missions.