Use the drop-down menus to complete the statements. All of the chromosomes line up along the middle of the cell during . The nuclear membrane disappears during . DNA condenses to form chromosomes during .

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Dna replication or repair occurs in a cell in all of thw following situations except when

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey