Answer:
The earths crust is composed by a variety of igneous, metamorphic, and sedimentary rocks. The crust is underlain by the mantle. The crust occupies less than 1 percent of the earths volume.
The nuclear membrane is selective in what it allows to enter or exit the nucleus of the cell. This is because of the sensitive genetic material inside the nucleus. DNA never leaves the nucleus, but mRNA does RNA is sent to the ribosome to be translated into protein.
Answer:
All can reproduce without a host
Explanation:
The Mitosis process <span> in which two identical nuclei/daughter </span>cells<span> are created, </span>has four phases: Prophase, metaphase, anaphase, telephase. In the cell cycle mitosis occurs before G2 phase (<span>Metabolic changes assemble the cytoplasmic materials necessary for mitosis and cytokinesis) </span>and after G1 phase (Metabolic changes prepare the cell for division).