#Question id: 738
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following is correct for peptide bonds
A) C and N are shorter than typical C-N bonds.
B) C and N are longer than typical C-N bonds.
C) C and O are longer than typical C=O bonds.
D) C and O are shorter than typical C=O bonds.
#Question id: 11255
#Unit 10. Ecological Principles
Antiherbivore defenses in Umbelliferous plants and the insects feeding on these plants has shown that:
#Question id: 7098
#Unit 5. Developmental Biology
The role of maternal factors (such as Vg-1, Xwnt-1, and VegT) packaged into the vegetal region of the Xenopus oocyte is:
#Question id: 15840
#Unit 8. Inheritance Biology
#Question id: 2876
#Unit 2. Cellular Organization
From the following set of statements regarding DNA topology, state whether each of the given statement is either True or False.
A. The two strands of cccDNA can be easily separated without any breakage of bonds.
B. Circular DNA molecules purified from bacteria and eukaryotes are usually negatively supercoiled.
C. Interwound writhe and spiral writhe are topologically different.
D. The organisms that live under extreme temperature conditions have been found to have positively supercoiled DNA.
E. Negative supercoils can be thought of as a store of free energy that aids in processes that require strand separation.