In which item is energy stored in the form of gravitational potential energy?
a. a slice of bread
b. a compressed spring
c. an apple on a tree
d. a stretched bow string

Which would be the outcome in a fertilized egg if the process of meiosis did not occur? twice as many chromosomes as the parents half as many chromosomes as the parents same number of chromosomes as the parents triple the number of chromosomes as the parents?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

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.