Reword the following statement to make it true: a. nucleoli are membrane-bounded structures present in the eukaryotic nucleus. b. nucleoli are large protein complexes that cross the nuclear envelope in eukaryotic cells. c. nucleoli are structures made of dna, rna, and protein that are present in the eukaryotic nucleus. d. nucleoli are two lipid bilayers that surround nucleus in eukaryotic cells. e. nucleoli are thin, dense meshworks of fibers lining the inner surfaces of the inner nuclear membranes of most eukaryotic cells.

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