Water's property creates positive and negative ions, which are essential for chemical reactions.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Which of the following best describes the relationship between glucose and complex molecules such as hormones?