Chapter 3

Biology: How Life Works · 9 exercises

Problem 1

Explain how the function of DNA is attributable to and dependent on its structural features.

6 step solution

Problem 2

Describe how DNA molecules are replicated.

4 step solution

Problem 3

Explain bow the sequence of just four nucleotide monomers found in DNA can encode the enormous amount of genetic information stored in the chromosomes of living organisms.

5 step solution

Problem 4

Draw a nucleosome, indicating the positions of DNA and proteins.

4 step solution

Problem 5

Describe the usual flow of genetic information in a cell.

5 step solution

Problem 6

Name two differences between the structure of DNA and RNA.

2 step solution

Problem 7

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

5 step solution

Problem 9

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

5 step solution

Problem 10

List three types of noncoding RNA and describe their functions.

5 step solution

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