Cell Biology and Thermodynamics Quiz

What are the 4 main groups of macromolecules in a cell?

What roles(s) does each group of macromolecules play in the cell?

Describe how cells can produce order without violating thermodynamics.

Explain how the free energy in a system allows chemical reactions and how cells utilize these reactions.

Explain how enzymes can change the probability of reactions occurring.

Describe the role of activated carriers in the cell, including biosynthesis.

What molecules activates CAP to promote lac operan transcription?

What is an allosteric protein?

What is an operen, and the role of the operator?

• A set of molecules controlled by multiple promoters

• A set of genes controlled by multiple promoters

• A set of genes controlled by one promoter, DNA where a repressor can bind

Which of the following is TRUE regarding Transcriptional Regulators

• They always activate transcription

• They always repress transcription

• They bind to the TATA box in the promoter

• They bind to regulatory DNA sequence