Whelp, it is definitely not D.
I would say B.
there was no Paleogene period.
Red blood cells exchange carbon dioxide for oxygen
Answer:
there are many..
Explanation:
wheel and axel are two type of forces in simple macine
Yes it is C but for future reference, both A and B are referring to solids, and D is referring to a gas, hope this is helpful later!
The sister chromatids are then pulled apart by the mitotic spindle which pulls one chromatid to one pole and the other chromatid to the opposite pole.
The chromosomes line up neatly end-to-end along the centre (equator) of the cell.
The centrioles are now at opposite poles of the cell with the mitotic spindle fibres extending from them.
The mitotic spindle fibres attach to each of the sister chromatids.
The DNA in the cell is copied in preparation for cell division, this results in two identical full sets of chromosomes?.
Outside of the nucleus? are two centrosomes, each containing a pair of centrioles, these structures are critical for the process of cell division.
