Which of the following pairs concerning mitosis is correct? a)metaphase: chromosomes duplicate
b)anaphase: chromosomes line up in center of the cell
c)telophase: the cytoplasm divides
d)prophase: nuclear membrane disappears

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.

If a young male's body is just beginning the process of producing sperm, when is it likely that he would ejaculate mature, viable sperm"