I. dna replicates
ii. chromatin condenses.
iii. cell continues to grow.
iv. nuclear membrane breaks down
v. chromosomes line up at equator

two structures seen in an animal cell are composed of microtubules are are produced by the centriole. what are those two structures?
a) vesicles and cytoplasm
b) chromatin and nucleolus
c) lysosomes and ribosomes
d) flagellum and centrosomes

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

How dose plate tectonics effect climate