Humans (homo sapiens) can be considered what type of organism? a. decomposerb. heterotrophc. autotrophd. photoautotroph

Nucleic acid certain protein cell membranes certain carbohydrates

All ova contain sex chromosomes corresponding to: x y xx xy

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase