Reports of reactions to food additives have included the following: 1  Skin urticaria/angioedema. atopic dermatitis. 2  Gastrointestinal abdominal pain. nausea/vomiting. 3  Respiratory asthma symptoms. cough.  Musculoskeletal muscle aches. joint 1  aches. Neurologic behavior and mood changes. attention deficit and hyperactivity disorder.  Cardiac palpitations.
DNA replicates by the semiconservative model of replication. This model states that during replication of double stranded DNA, the two strands separate and each separate strand is then used as a template to make a new strand.
Initiation of DNA replication 1. Origins of replication a. Specific sequence of nucleotides b. recognized by proteins that bind to DNA-initiator proteins 2. DNA helix unwinds-caused by helicase enzymes 3. bacteria have a single origin of replication B. Initiation of DNA replication 1. Origins of replication a.