Which of the following is a stage of a host cell infection by a virus? Select one: a. adaptation of viral receptors to infect most organism cells b. viral genetic material injected into the host cell’s cytoplasm c. virus attaches to host cell membrane using a capsule d. replication of viral DNA using host mitochondria DNA

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia

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