In what phase of meiosis are tetrads of homologous pairs lined up along the center of the cell and attached to the spindle fibers?

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

What organelle makes protein for use outside the cell?

Why did benjamin franklin refuse to write the declaration of independence? a. he did not want his humor to distract from the document's purpose. b. he was not from a southern colony. c. his poor vision made it difficult to write.