Answer:
Plasma membrane is the outermost layer in cells. It separates the content of cell from their external environment. ... It controls the entry and exit of materials in nd out of cell and hence it is called selectively permeable membrane.
Answer:To be considered a source of water pollution, the source must include a chemical.
Explanation:
Meiosis 1 starts with one cell, ends with two.
Meiosis 2 starts with two cells, ends with four.
Meiosis 1 lines up with homologous pairs (Metaphase 1).
Meiosis 2 lines up straight in a line with no pairs (Metaphase 2).
Meiosis 1 one goes from Diploid to Haploid.
Meiosis 2 goes from Diploid to Diploid.
Anaphase is the phase of mitosis in which the spindle microtubules shorten.