Which of the following biomes is associated with a mediterranean climate?

#Question id: 4651

#Unit 11. Evolution and Behavior

Some members of a photosynthetic plant species are genetically resistant to an herbicide, while other members of the same species are not resistant to the herbicide. Which combination of events should cause the most effective replacement of the non-herbicide-resistant strain of plants by the resistant strain?

1. The presence of the herbicide in the environment

2. The absence of the herbicide from the environment

3. The maintenance of the proper conditions for one generation

4. The maintenance of the proper conditions for many generations

#Question id: 28053

#Unit 1. Molecules and their Interaction Relevant to Biology

The most important parameter relating to the energy of an H-bond in protein structure is 

#Question id: 20326

#Unit 4. Cell Communication and Cell Signaling

#Question id: 2880

#Unit 2. Cellular Organization

According to the manner in which they work, three main classes of proteins that modify chromatin are recognized. Match the following classes of proteins given in COLUMN I with their respective examples in COLUMN II.

#Question id: 1409

#Unit 4. Cell Communication and Cell Signaling

Which DNA repair system is affected in patients with xeroderma pigmentosum?