1. Which of the following conclusions is best supported by the information in the table above? A. DNA has a double helix antiparallel structure. B. The types of bases vary greatly among different species. C. More complex organisms like humans and salmon have greater levels of adenine and thymine than simpler organisms like bacteria and fungus. D. Levels of adenine are always very similar to the amount of thymine, and the amount of cytosine is always similar to the amount of guanine.​

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens