Which of the following is a possible reason for a cell to undergo mitosis? A. Sex cells need to be created for reproduction

B. Traits need to be passed on

C. Tissue damage needs to be repaired

D. There are too many chromosomes

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

d we did this already

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.