Consider this plant cell.

The organelles in a plant cell are labeled. Part E is a complex of vesicles and folded membranes within the cytoplasm.

Which organelle is labeled E?
Golgi apparatus
chloroplast
ribosome
nucleus

According to the cladogram, which organisms have roundworms as a common ancestor?

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.