When DNA is compacted by histones into 10 nm and 30 nm fibers, the DNA is unable to interact with proteins required for gene expression. Therefore, to allow for these proteins to act, the chromatin must constantly alter its structure. Which processes contribute to this dynamic activity?

#Question id: 3865

#Unit 3. Fundamental Processes

Which of the following statements about E. coli RNA polymerase is false?

#Question id: 4808

#Unit 8. Inheritance Biology

When F1 female Drosophila of the genotype AaBbCc is test crossed, ( Gene A and B located at 10 map unit in transe configuration but gene C are independently assort for both gene. Which of the following test cross progeny that is that is more frequent?

#Question id: 11375

#Unit 10. Ecological Principles

Productivity per day (NPP per ground area per day) four different ecosystems

#Question id: 11719

#Unit 6. System Physiology – Plant

Gibberellin conjugates are particularly prevalent in some seeds. The conjugating sugar is usually glucose, and it may be attached to the gibberellin via,

a) a carboxyl group forming a gibberellin glycosyl ether

b) a hydroxyl group forming a gibberellin glycosyl ether

c) a carboxyl group forming a gibberellin glycoside

d) a hydroxyl group forming a gibberellin glycoside

which one of the following is the correct statements about conjugation?

#Question id: 20339

#Unit 12. Applied Biology