Are specialized cells that convert light into electrical signals.

How can you approximate the number of calories required to keep you in energy balance?

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.

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?