Biology help plz and than you?

1. Each strand of a duplicated DNA molecule is called a_____?


centrioles


centromere


chromatid


centimeter


2. what factor sets a limit on the size a cell can become?


the location of the chromosomes at teloohase


the presence or absence of asters


the number of chromosomes in the nucleus


the surface area to volume ratio


3. if a skin cell has 40 micrograms of DNA during GI, how much DNA will it have druing prophase?


20 micrograms


40 micrograms


80 micrograms


120 micrograms





4. instead of pinching into two___ divide by forming a new cell wall between daughter cells.


skin cells


animal cells


brain cells


plant cells.





your help is soooo much appreciated thank you :)

Biology help plz and than you?
1. Chromatid: a chromatid is a single stand of a chromosome. Two chromatids make the distinctive X-shaped chromosome).





2. The surface area to volume ratio





3. I believe 80 mg (but i'm not so sure on that one)





4. Plant cells (the new cell wall is called a cell plate)