How does the spindle move sister chromatids during anaphase? a. sister chromatids are pushed together, away from spindle poles. b. sister chromatids are pulled toward the spindle poles. c. spindle microtubules engage in a tug-of-war that centers chromosomes at the midline. d. none of the above. spindles do not use mechanical forces?

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

Which of the following types of reactions would decrease the entropy within a cell? a. dehydration reaction, b. hydrolysis, c. respiration, d. digestion, e. catabolism.