A scientist looks into a microscope and sees that chromosome pairs are in bipolar tension. Which mitotic phase is the scientist likely witnessing? A-anaphase
B-metaphase
C-anaphase or telophase
D-prophase or metaphase

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

What types of energy transfers and energy transportations are involved in the domino chain reaction?

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal