The freezing point of water is 0°C, and the boiling point is 100°C. This range of temperatures can be found naturally on the Earth, which means that

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

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.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above