Chapter 3

Biology: How Life Works · 9 exercises

Problem 1

Explain how the functions of DNA emerge from the structure of its monomers and its antiparallel, doublehelical, three-dimensional structure.

4 step solution

Problem 2

Describe how DNA molecules are replicated.

6 step solution

Problem 3

Explain how the sequence of a molecule of DNA, made up of many monomers of only four possible nucleotides, can encode the enormous amount of genetic information stored in the chromosomes of living organisms.

5 step solution

Problem 4

Describe the usual flow of genetic information in a cell.

4 step solution

Problem 5

Name four differences between the structure of DNA and RNA.

4 step solution

Problem 6

Describe how a molecule of RNA is synthesized using a DNA molecule as a template.

6 step solution

Problem 7

Explain the relationship between RNA structure and function.

4 step solution

Problem 8

Name and describe three mechanisms of RNA processing in eukaryotes, and explain their importance to the cell.

5 step solution

Problem 9

List three types of noncoding RNA and describe their functions.

4 step solution

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