During Mitosis, what is the structure responsible for moving the chromosomes? Cytoplasm
Spindle
Nucleolus
Nuclear Envelop

What are two reasons for why a species might disappear from the fossil record?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.