Lily is developing a model of the eukaryotic cell cycle. The model includes mitosis, in which the chromosomes of a cell separate into single-stranded chromatids. Where should Lily show the duplication of the chromatids to prepare for
another round of mitosis?

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Ecology can best be described as the study of what