the lactose operon in E. coli is an example of a gene that is expressed when lactose is not available in a cell, what does it mean

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

In eukaryotes, genetic information is passed to the next generation by processes that include mitosis or meiosis. which of the explanations identifies the correct process and supports the claim that heritable information is passed from one generation to another? a. mitosis, followed by cytokinesis, produces daughter cells that are genetically different from the parent cell, thus insuring variation within the population. b. during mitosis, dna replication occurs twice within the cell cycle to insure a full set of chromosomes within each of the daughter cells produced. c. in asexual reproduction, a single individual is the sole parent and passes copies of its genes to its offspring without the fusion of gametes. d. single-celled organisms can fuse their cells, reproducing asexually through mitosis to form new cells that are not identical to the parent cell.

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph