The similarity of the embryos of fish, frogs, birds, and humans is evidence of

Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet