Breathing heavily after running a race is your bodys way of what

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.