Explain the difference between repetition and replication.

Answer Repetition refers to performing multiple trials throughout an experiment. Repetition reduces mistakes and increases one’s confidence in the results. Replication refers to the ability of a process to be repeated by another individual. When one scientist replicates the experiment of another, the experiment should produce the same results.

Explanation:

Its the sample answer

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.