In anaphase I of meiosis, separate while in anaphase of mitosis separate microtubules, microfilaments spindle fiber, nuclear envelope nuclear envelope, spindle fiber sister chromatids, homologous chromosomes homologous chromosomes, sister chromatids

In anaphase I of meiosis, the homologous chromosomes separate while in anaphase of mitosis the sister chromatids separate

Explanation:

During meiosis I, the chromosomes are duplicated (i.e., they are bivalents). Moreover, in Anaphase I, the sister chromatids continue attached to each other, while homologous bivalent chromosomes already condensed in prophase I separate.

The spindle fibers are a type of microtubule that helps to separate the genetic material during cell division.  

The microfilaments are structures formed by actin subunits and they form a contractile ring during cytokinesis, or cytoplasm division.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.