What process is shown in the diagram below?
o
a. polymerase chain reaction
(pcr)
first
cycle
o
b. gel electrophoresis
second
cycle
o
c. karyotyping
d. use of restriction enzymes
third
cycle
fourth
cycle

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals

Organize the following objects from lowest volume to highest volume