1. Predict: Gel electrophoresis distinguishes DNA segments by length. To identify people by DNA, is it better to make copies of genes or non-coding segments? Explain.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

Nucleic acid certain protein cell membranes certain carbohydrates

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen