What is the average acceleration of a jet ski that goes from rest to 10 m/s west in 4 s? take the direction west to be positive, and east to be negative. a. 2.5 m/s2 b. -2.5 m/s2 c. 0.4 m/s2 d. -0.4 m/s2

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.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.