The major problem associated with the isolation of free cells and cell aggregates from organs is that of

#Question id: 4308

#Unit 3. Fundamental Processes

Most repressor proteins are allosteric. Which of the following molecules binds with the repressor to alter its conformation and therefore affect its function?

#Question id: 33110

#Unit 1. Molecules and their Interaction Relevant to Biology

#Question id: 10735

#Unit 10. Ecological Principles

Which of the following extreme viewpoints of community organization holds that a community comprises a superorganism and is much more than the sum of its individual parts?

#Question id: 718

#Unit 1. Molecules and their Interaction Relevant to Biology

Poly- L -leucine in an organic solvent such as dioxane is a helical, whereas poly- L isoleucine is not. Why do these amino acids with the same number and kinds of atoms have different helix-forming tendencies?

#Question id: 11746

#Unit 6. System Physiology – Plant

Sieve element sap is rich in sugars and other organic molecules, These molecules represent an energy investment for the plant. How their loss be prevented when sieve elements are damaged?