How many chromatids are in twenty duplicated chromosomes

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.