Successful pathogens must do which of the following? Choose one or more: A. Enter and exit a host B. Cause rapid death in the host C. Avoid the host's immune system D. Grow and multiply within a host E. Readily infect various animals

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

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

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.