1. a) Name a set of homologous structures. b) Two species have homologous structures. What do these homologous structures show about the evolutionary relationship between the two species?

What type of specimens where you able to see under each of the microscopes in the microscope activity

Explain why phospholipid molecules form a bilayer. (3 marks)

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.