Do sister chromatids tides move to opposite ends of the cell during anaphase one like they do during anaphase or mitosis

What was the land like over 500 million years ago? what was under the sea?

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel