The following are quick strategies for determining the relevance of a source except

a. scanning for key words
b. reading the entire source first, circling key words
c. browsing the table of contents in a book-length source.
d. looking for language from your research questions in an index.

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.

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

In which of the following relationships is one organism always benefited while the other organism is always harmed