Bone tissue made up of parallel osteons that are tightly packed together is called

How do you transfer mrna into codons ? i'm so confused : (

Which description shows competition in an environment? an organism that feeds on some food an organism that finds a place to sleep three organisms of the same species living in an area three organisms battling over limited resources

Which of the following is a true statements about viruses? viruses have no nucleus. viruses are alive. viruses have a cell membrane. all viruses are deadly.