7. Why is it necessary that the solar concentrators used by solar power plants be able to move throughout the day? -To avoid rain damage
-To track the sun as it moves across the sky
-To change the focus area of the incoming radiation
-To direct sunlight to different parts of the power plant

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 pronunciation aid that determines the stress placed upon a syllable is the

Identify the structures ! 20 points